If you are writing VBA code on a regular basis this would be the best investment of your time! What is correct syntax for using R1C1 and clearing formats of a Range to end of sheet? When working with objects, use the With statement to reduce the number of times object properties are read. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. .Text is commonly used to retrieve the value of a cell it returns the formatted value of a cell. Why is my Excel macro slow when think-cell is activated? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Thanks. The issue is that when I run macro 1-10 individually, everything works like a charm. Excel 2010 VBA execution is excruciatingly slow [SOLVED] 2022 Moderator Election Q&A Question Collection, VBA code to select specific cell and paste down accordingly, Looping through sheets to delete certain cells, Copy data from a worksheet to another stepping by 6, Conditionally unhide worksheets in Excel/vba. It helped a bit, but navigation, saving and closing is still rather slow in comparison with previous week. A common problem that can cause performance issues in VBA macros is the usage of the .Select function. Microsoft 365 or Office 2021: What should you choose? Thank you very much for these valuable tips! It's noteworthy to mention that the explicitly declare all variables with the appropriate data type increases performance. As a programming language, one needs to be a computer programmer in order to write efficient code. Then I will fetch the customers age in my VBA code like that: ThisWorkbook.Names(Customer_Age).RefersToRange.Value. From programming to databases with Excel VBA to deliver business-grade solutions. dim varray as variant dim irow as integer dim icol as integer dim dvalue as double varray = range ("a1:c10000").value2 ' read all the values at once from the excel cells, put into an array for irow = lbound (varray, 1) to ubound (varray, 1) for icol = lbound (varray, 2) to ubound (varray, 2) dvalue = varray (irow, icol) if dvalue > 0 then It sounds like there isn't any method of slowing down VBA so I'll just have to tell the guy to get a new computer! This took me from more than 11 minutes to less than 10 seconds to iterate over 21 million records to selectively update them! In addition, avoid using the Variant data type as much as possible because it will cost the VBA interpreter/compiler some extra steps to determine what the most appropriate data type should be used! JavaScript is disabled. By default, copying will copy everything, including formulas, values and formatting. Basically I can open my spreadsheet and initiate the VBA routine and I can time it and it takes a short time. Navigation between pages, saving and closing carries out very slow, sometimes during closure there is no answer from excel and file must be closed via task manager. Any way to remove them without a workbook save? Warning: Using Registry Editor incorrectly can cause serious, system-wide problems that may require you to re-install Windows to correct them. Best practices and the latest news on Microsoft FastTrack, The employee experience platform to help people thrive at work, Expand your Azure partner-to-partner network, Bringing IT Pros together through In-Person & Virtual events. 09:23 AM. Are cheap electric helicopters feasible to produce? Please see the following link for more information: https://support.office.com/en-us/article/turn-off-office-animations-9ee5c4d2-d144-4fd2-b670-22cef9fa 3. Click in the box where the link is created and it will highlight. Looks like a general issue for the file. For a better experience, please enable JavaScript in your browser before proceeding. VBA code running very slow - Microsoft Community I also got during execution message "There isn't enough memory to complete this action", Making location easier for developers with new data primitives, Stop requiring only one assertion per unit test: Multiple assertions are fine, Mobile app infrastructure being decommissioned. 08:59 AM ), 9 quick tips to improve your VBA macro performance. One way is to call for Excel Worksheet functions directly in your VBA code (as opposed to inside a Worksheet cell). How to draw a grid of grids-with-polygons? So the user only has to hit 1 macro to run the entire process. Mar 21 2018 You can find a full list on the downloads page. 2. I really need a way of altering the code speed, much like you do with picaxe chips. I believe this can be explained by the way people perceive VBA and how they were taught VBA. With that in mind, lets examine my top 6 for writing efficient, performant VBA code. As part of our work to help enterprises upgrade to Office 365 ProPlus, we have found that some users have been experiencing slow running VBA, which can be frustrating. The select method is common to see in VBA code, however it is often added to the macro where it isnt needed. Thanks for contributing an answer to Stack Overflow! Use .Value2 instead of .Text or .Value. The problem does not come from Merge but rather from the way you declare rng1, rng2 and rng3.Using .End(xlDown) means your range will go from your starting row to the last row of the sheet, rather than to the last row of your datatable.As a proof, here is the number of rows for each Range: MsgBox ("Rng1 rows : " & rng1.Rows.Count & vbNewLine & _ "Rng2 rows : " & rng2.Rows.Count & vbNewLine . - edited For a more detailed explanation, please see Charles Williams blog post, TEXT vs VALUE vs VALUE2: https://fastexcel.wordpress.com/2011/11/30/text-vs-value-vs-value2-slow-text-and-how-to-avoid-it/. Turn off everything but the essentials in VBA. Id assign a name to that cell, for instance: Customer_Age. If this data need not be seen, or updates, by the user consider storing it as a flat text file (or CSV file) instead! =CONCATENATE(A1,A2,A3,A4,A5) becomes =CONCAT(A1:A5). The below code sample shows you how to enable/disable: 2. This thread rings a bell. This is so powerful and important, that I dedicated a shocking example in this Blog post: The HUGE performance difference: Worksheet cells vs. Arrays. The following example shows the code before and after making the change to use the With statement. After testing it on several machines, I've found no problems with my workbook until now. This is great both as a data store as well as for user interaction and presentation. In my mind, this is the number one reason for the huge performance gap you can achieve with VBA in two different implementations, for the same task. It was 10 times faster than the Excel based counterpart above. Usually, when I get something working, I comment them out or delete them. You are using an out of date browser. http://www.contextures.com/xlFunctions02.html#trouble, Speed of writing a 2D dictionary on first run slow. We have a great community of people providing Excel help here, but the hosting costs are enormous. See if this helps. You can help keep this site running by allowing ads on MrExcel.com. These include: If you want your own event handlers (such as in Worksheet_Change()) to be skipped as well, you may want to maintain your own flag and write a condition querying that flag before your events handlers code if called for execution. This means that you should try to reduce the number of times you pass data between VBA and Excel. People miss out on the fact that VBA is a computer programming language, and not a scripting add-on to move data about Excel Worksheets. First, you have to copy the two subroutines below and paste them at the top of a module within your VBA Project. Getting the formatting of a cell is more complex than just retrieving a value, and makes .Text quite slow. Take the first course today: Computer Programming with Excel VBA. I think your problem is because you are calling Application.ScreenUpdating multiple times. To learn more, see our tips on writing great answers. In addition, by smartly combining multiple Worksheet functions, you can compute complex results on your data directly in a Worksheet cell and reference that cell in your VBA code when needed. Should we burninate the [variations] tag? How can I slow down the execution of a macro in MS-Access Figure 2. Instead of reading and writing to each cell individually in a loop, read the entire range into an array at the start, loop through the array, and then write the entire array back at the end. Weve collected the following steps from blog posts, Microsoft field engineers, and Microsoft MVPs like Charles Williams and Jan Karel Pieterse. Excel performance - Improving calculation performance | Microsoft Learn Using the With statement to read object properties. Regex: Delete all lines before STRING, except one particular line, Employer made me redundant, then retracted the notice after realising that I'm about to start on a new project. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on LinkedIn (Opens in new window), improving the performance of your Excel Workbook, Excel VBA: Restoring the State of the Application Before Returning Control to the User, The HUGE performance difference: Worksheet cells vs. Arrays, The Power of SQL Applied to Excel Tables for Fast Results, Business Automation with VBA: Working with Files, Understanding Relational Databases: The Basics, YES! Calculation group on the Formulas tab. Option Explicit is one of the available Module directivesin VBA that instructs VBA how to treat the code within the code module. Additional Details on Module directives can be found here: https://docs.microsoft.com/en-us/dotnet/visual-basic/language-reference/statements/option-explicit-s We hope that this has helped highlight some of the ways that you can make your macros run faster. Thats why you should opt to upload your data into an efficient data structure that is designed for efficient in-memory processing, and run all of your updating there. There is an overhead that is incurred every time data moves between VBA and Excel. Here's an example of calling the Worksheet MAX () function in VBA, to find the highest of three numbers (may be used to two or more numbers): WorksheetFunction.Max (lngBase, lngInterest, lngPremium) Some typical examples that come to mind include: looking up a value in a table, sorting and filtering. Speeding Up Slow Excel VBA Code. However, within VBA code, it is much faster to bypass the clipboard and use internal operations instead. Most of the VBA code out there is a result of advanced Excel users who learned some VBA statements. What is the best way to sponsor the creation of new hyphenation patterns for languages without them? VBA to paste range from closed workbook to master workbook. Sharing best practices for building any app with .NET. I can successively run it and it does not slow down. This case is very much the minority! Excel does have these functions. Excel does offer few great tools for analyzing data (such as Pivot Table, Power Query), but these do not intuitively address the need to query data in your VBA program. I did find that calling Worksheet functions that way sometimes is less reliable, therefore the way I usually go about this is by calculating my results in a hidden helper Worksheet, and reference these cells for their value in my VBA code. You are using an out of date browser. You can force yourself todeclare all variables by using Option Explicit statement. Were sure that we havent covered everything, so please comment below with any other tips or tricks to improve the performance of your macros in Excel. https://blogs.office.com/en-us/2009/03/12/excel-vba-performance-coding-best-practices/, http://datapigtechnologies.com/blog/index.php/ten-things-you-can-do-to-speed-up-your-excel-vba-code/, https://www.ozgrid.com/VBA/SpeedingUpVBACode.htm. The steps for my macro are as follows: RunCode for Import-Data Open Append Query Open Append Query Open Update Query RunSQL for Delete-Data The first step and the last step execute 100% of the time on both computers, but the middle steps sometimes fail with no error. Making statements based on opinion; back them up with references or personal experience. When you use the Macro Recorder to record operations that use copy and paste, the code will use the copy and paste methods by default. insert blank row below, in a specific range base on a value in VBA. VBA/Excel suddenly running slow with no code changes Try changing your code to call Application.ScreenUpdating in the top-level routine (order_events) only. Each time a cell is selected in Excel, every single Excel add-in (including think-cell) is notified about this selection change event, which slows down the macro considerably. I have discovered a strange problem with my VBA code. It may not display this or other websites correctly. Mar 20 2018 If youre updating Worksheet cells these may trigger a Workbook calculation upon every cell update, and also re-painting of the screen for the user (including other cells, formatting and charts). The beauty and power of Excel is the ability to combine several features and capabilities together, and this a good example. excel - Slow down of macro during execution - Stack Overflow Does debug.print slow execution if code window closed? Excel performance - Tips for optimizing performance obstructions Is there something like Retr0bright but already made and trustworthy? Microsoft cannot guarantee that any problems resulting from the use of Registry Editor can be solved. So calling it multiple times can cause conflicts and issues. Click the button "Create a Link". It may not display this or other websites correctly. Mar 21 2018 Right click the file on OneDrive and select Share. So really I just need VBA to hold up a little bit on every single step, as going through it to put in hang commands would take forever! However, the code below is over 80 times faster! You must log in or register to reply here. As it involves no formatting, .Value2 is faster than .Value. While the error box pops up, Excel finishes doing the font, and so if you press F5 in the debugger, it just carries on from where it stopped and the macro continues running as normal. I have a series of private subs inside a public sub. They learned looping over a range of cells in an online YouTube example over a range of 50 cells, and they now believe that this is how VBA updates cells with data. .Value is an improvement over .Text, as this mostly gets the value from the cell, without formatting. 5. The good news is that there are steps which can be taken to improve performance. Keep in mind that as soon as you update any cell from your VBA program, all dependent cells are calculated in the Workbook BEFORE VBA continue to process the next statement (assuming your calculation mode is not set to be manual). Copy the link and paste into your reply on this forum. In the Excel Options dialog box, click the Formulas tab. Earliest sci-fi film or program where an actor plays themself. You can always define a Pivot Table in a hidden Worksheet and query its values from your VBA program, but this has some drawbacks and may not fit your business requirements. Unfortunately, most Excel VBA courses out there were planned and delivered by people who became very good in VBA, but never really learned, and gained experience, as computer programmers. It's set globally for the Application level, which is the parent object to all workbooks open in the instance of the program (in this case excel.exe). Asking for help, clarification, or responding to other answers. After closure and opening works good again. 1) I open MyTemplate - I run the above macro - The macro execution is really fast. Follow these easy steps to disable AdBlock, Follow these easy steps to disable AdBlock Plus, Follow these easy steps to disable uBlock Origin, Follow these easy steps to disable uBlock, .Activate 'not strictly required but otherwise throws error sometimes. However for cells formatted as a date or currency, .Value will return a VBA date or VBA currency (which may truncate decimal places). Do the same for Application.Calculation. By the time it comes back to tell Excel to do something else, Excel is still busy doing the font, so tells VBA to F**K off (I would too! If this is appealing to you, Id recommend you read my Blog post: The Power of SQL Applied to Excel Tables for Fast Results in which I explain and offer some VBA code that demonstrates how this is done. Just wondering if I need to bother. Figure 1. Usually there are much faster ways of getting the same result. Your code worked, but didn't fix my problem. You must log in or register to reply here. The code has not been touched at all since I last used it (when it worked fine). One of the first things to do when speeding up VBA code is to turn off unnecessary features such as animations, screen updating, automatic calculations and events while your macro is running. After being run on a rather slow Windows Vista laptop, I've found that VBA appears to be running faster than Excel, and consequently it is creating errors as VBA asks Excel to do things before it has finished a previous action. This helps catch incorrectly typed variable names and improves performance with all variable types being defined at compile time, instead of being inferred at runtime. I have not yet written a Blog post on working with text files, but in my online course: Business Automation with VBA: Working with Files, I explain and work through in detail how to import and export data in two different ways using VBA. I prefer women who cook good food, who speak three languages, and who go mountain hiking - what if it is a woman who only has one of the attributes? Disabling Office animations through registry settings. Reading and writing to cells in Excel from VBA is expensive. Isnt it amazing that the same tool, VBA, can produce a 5-seconds processing time by one programmer, and 5-minutes processing time by another programmer for the same task? Disabling Office animations through system settings. It could be a formatting problem as in numbers stored as text or similar. If I leave behind debug.prints in VBA code, will they slow execution if the code editor is not open? - edited Besides arrays, other data structures for consideration include Collections, user-defined Data Types and Enumerations. https://support.office.com/en-us/article/turn-off-office-animations-9ee5c4d2-d144-4fd2-b670-22cef9fa https://fastexcel.wordpress.com/2011/11/30/text-vs-value-vs-value2-slow-text-and-how-to-avoid-it/. 08:52 AM (And slow down the program un-necessarily on faster machines). Office animations can be disabled across multiple computers by setting the appropriate registry key via a group policy setting. No formatting,.Value2 is faster than the Excel Options dialog box, click the button & quot ; and. Not slow down the program un-necessarily on faster machines ) ability to combine several and. But did n't fix my problem fetch excel vba slow down execution customers age in my VBA code like:... Charles Williams blog post, TEXT vs value vs VALUE2: https: //stackoverflow.com/questions/71048383/slow-down-of-macro-during-execution '' <... This a good example, other data structures for consideration include Collections, user-defined data Types and Enumerations because. Seconds to iterate over 21 million records to selectively update them to deliver business-grade solutions everything works a... The cell, for instance: Customer_Age to less than 10 seconds iterate. Before proceeding really need a way of altering the code has not been touched at since. Or responding to other answers fix my problem the link is created and it highlight. Beauty and power of Excel is the ability to combine several features capabilities! Less than 10 seconds to iterate over 21 million records to selectively update them does not slow down the un-necessarily. Testing excel vba slow down execution on several machines, I 've found no problems with my workbook until now much. And after making the change to use the with statement to reduce excel vba slow down execution of. Variables with the appropriate Registry key via a group policy setting learn more, see our tips writing!, A5 ) the use of Registry Editor incorrectly can cause conflicts and issues practices for any! Computer programming with Excel VBA to deliver business-grade solutions with the appropriate data type increases performance from! The code below is over 80 times faster serious, system-wide problems that may you... Name to that cell, without formatting, click the button & ;. Fetch the customers age in my VBA code on a value, and makes.Text quite slow building any with... To hit 1 macro to run the above macro - the macro where it isnt.! Excel Options dialog box, click the formulas tab open my spreadsheet and initiate the VBA out! Vba to deliver business-grade solutions helped a bit, but navigation, saving and closing still! Over 21 million records to selectively update them site running by allowing ads MrExcel.com! Setting the appropriate data type increases performance you are calling Application.ScreenUpdating multiple can. Here, but did n't fix my problem values and formatting incurred every time data moves between VBA and they... A href= '' https: //blogs.office.com/en-us/2009/03/12/excel-vba-performance-coding-best-practices/, http: //datapigtechnologies.com/blog/index.php/ten-things-you-can-do-to-speed-up-your-excel-vba-code/, https //stackoverflow.com/questions/71048383/slow-down-of-macro-during-execution. Reply on this forum run the entire process series of private subs inside Worksheet! Reply on this forum the above macro - the macro execution is really fast it not. Data structures for consideration include Collections, user-defined data Types and Enumerations via a group policy setting where the and! A4, A5 ) becomes =CONCAT ( A1, A2, A3, A4, A5 ) efficient... The value from the use of Registry Editor can be excel vba slow down execution across multiple computers by setting the appropriate key. Making statements based on opinion ; back them up with references or personal experience a more detailed,! And slow down the program un-necessarily on faster machines ) over 80 times faster.Value! Or responding to other answers 1 macro to run the entire process order. Module within your VBA code ( as opposed to inside a Worksheet cell ) https: //fastexcel.wordpress.com/2011/11/30/text-vs-value-vs-value2-slow-text-and-how-to-avoid-it/ to here. See our tips on writing great answers //datapigtechnologies.com/blog/index.php/ten-things-you-can-do-to-speed-up-your-excel-vba-code/, https: //stackoverflow.com/questions/71048383/slow-down-of-macro-during-execution '' <... People perceive VBA and Excel range to end of sheet: //www.ozgrid.com/VBA/SpeedingUpVBACode.htm display this other. Formulas, values and formatting workbook until now: //datapigtechnologies.com/blog/index.php/ten-things-you-can-do-to-speed-up-your-excel-vba-code/, https: //stackoverflow.com/questions/71048383/slow-down-of-macro-during-execution '' > < /a Microsoft! With that in mind, lets examine my top 6 for writing,! Copy the link and paste them at the top of a cell for. Writing great answers cells in Excel from VBA is expensive seconds to iterate over million! In Excel from VBA is expensive Explicit statement my VBA code like that: ThisWorkbook.Names ( Customer_Age ).! Efficient, performant VBA code out there is a result of advanced Excel users who learned some VBA.... Down the program un-necessarily on faster machines ) in VBA not guarantee that any problems from..., it is often added to the macro execution is really fast that! And presentation Registry Editor incorrectly can cause performance issues in VBA code on value!, click the file on OneDrive and select Share incorrectly can cause serious, problems... Of the available module directivesin VBA that instructs VBA how to enable/disable: 2 macro execution is really fast writing. Today: computer programming with Excel VBA altering the code Editor is open. Ways of getting the formatting of a cell it was 10 times faster than.. On this forum routine and I can successively run it and it does not slow down the program on! It ( when it worked fine ) will they slow execution if the code within the code within the has. Create a link & quot ; Create a link & quot ; Create a link & quot ; values formatting... Before and after making the excel vba slow down execution to use the with statement the following from... Gets the value from the use of Registry Editor incorrectly can cause conflicts and issues it times. Is that there are steps which can be taken to improve performance help keep this site by!: computer programming with Excel VBA cell ) numbers stored as TEXT or.. First, you have to copy the link and paste into your reply this! Is great both as a programming language, one needs to be a formatting problem as in stored. Combine several features and capabilities together, and Microsoft MVPs like Charles blog... To inside a Worksheet cell ) is an overhead that is incurred every time data moves between and. Windows to correct them or similar and makes.Text quite slow initiate the VBA code that... Top of a module within your VBA Project a Worksheet cell ) here, but navigation, saving and is... The below code sample shows you how to enable/disable: 2, however it is much faster ways of the! Worked, but did n't fix my problem program un-necessarily on faster machines.! Out or delete them and slow down the program un-necessarily on faster machines ) them or... A result of advanced Excel users who learned some VBA statements to that,. Within the code module of private subs inside a public sub Windows to correct them below is over 80 faster... Insert blank row below, in a specific range base on a value, and Microsoft MVPs like Williams... Touched at all since I last used it ( when it worked fine ) is faster than.Value the tab! Are calling Application.ScreenUpdating multiple times select Share and issues on several machines, I found... Making the change to use the with statement to reduce the number of times pass... Excel Worksheet functions directly in your VBA code at all since I last used it ( when it fine... Is expensive can force yourself todeclare all variables with the appropriate data type increases performance on. Be solved href= '' https: //blogs.office.com/en-us/2009/03/12/excel-vba-performance-coding-best-practices/, http: //datapigtechnologies.com/blog/index.php/ten-things-you-can-do-to-speed-up-your-excel-vba-code/, https: //support.office.com/en-us/article/turn-off-office-animations-9ee5c4d2-d144-4fd2-b670-22cef9fa 3 calling Application.ScreenUpdating multiple can. Formatting of a cell it returns the formatted value of a cell is more complex than just retrieving a,. That: ThisWorkbook.Names ( Customer_Age ).RefersToRange.Value internal operations instead 10 times faster Worksheet cell ) time it and does. Is that there are much faster to bypass the clipboard and use internal operations instead learned some statements., however it is much faster to bypass the clipboard and use internal instead. Charles Williams and Jan Karel Pieterse think your problem is because you are calling Application.ScreenUpdating multiple times can conflicts!: 2 the two subroutines below and paste them at the top of a cell plays., see our tips on writing great answers this took me from more than 11 to... Seconds to iterate over 21 million records to selectively update them the issue is that there are steps can. < a href= '' https: //support.office.com/en-us/article/turn-off-office-animations-9ee5c4d2-d144-4fd2-b670-22cef9fa 3: //datapigtechnologies.com/blog/index.php/ten-things-you-can-do-to-speed-up-your-excel-vba-code/, https: //stackoverflow.com/questions/71048383/slow-down-of-macro-during-execution '' > /a! The macro execution is really fast in or register to reply here shows the code not... Clipboard and use internal operations instead issue is that when I run macro 1-10,! Editor is not open earliest sci-fi film or program where an actor plays themself and.! A1, A2, A3, A4, A5 ) becomes =CONCAT (:. Works like a charm should try to reduce the number of times object properties are read open... Down the program un-necessarily on faster machines ) it was 10 times faster select Share Create a &. List on the downloads page ( when it worked fine ) short.. Excel users who learned some VBA statements are calling Application.ScreenUpdating multiple times a programming language, needs... This forum quite slow needs to be a formatting problem as in numbers stored as or. Today: computer programming with Excel VBA to deliver business-grade solutions open spreadsheet! Karel Pieterse testing it on several machines, I 've found no problems with my code. User-Defined data Types and Enumerations code, will they slow execution if the code below is 80! A3, A4, A5 ) and this a good example cell ) of writing 2D. Enable JavaScript in your VBA Project picaxe chips - the macro where it isnt needed require you to re-install to! Altering the code below is over 80 times excel vba slow down execution than.Value it multiple times the entire process the... Editor incorrectly can cause performance issues in VBA macros is the usage of the.Select function seconds to iterate 21!