Just make sure to start fileCount at -1 and to put the extension after the parenthesis logic.Incrementing a digit tin existing file name to avoid duplicate file creation in same path.Can automatically create new file names with a version control extension.Create a new version with an incremental version extension (for.
When you use any built in Excel function, e.g. SUM, there is some internal programming behind it, buried deep within Excel. When you create and use a User Defined Function, you, the user, are responsible for providing that behind the scenes programming. You are getting a NAME error because Excel doesnt recognize the function PrevSheet as a valid function. HappyBirthday(A1) However, if Excel can find some programming behind the function name, it will (hopefully) return the value that the user wants the function to return. That programming is done with Excel VBA - Visual Basic for Applications. VBA is a programming language that allows users to do things with Excel that go way beyond the built in functions. The set of instructions that are written in VBA are often called a Macro. The main difference between a Macro and a UDF is that a Macro is run either manually or automatically via a specific action taken by a user while a UDF can be run by including the name of the UDF in a formula. OK, all that said, what you want is a Function that will always return the name of the previous sheet based on where the function is used. Since Excel doesnt have a built in function to do that, we can use a UDF. Heres how: 1 - Follow the first 3 steps at the link below to open the VBA editor and insert a Module. The code first determines what sheet it is used in and then returns the name of the previous sheet, returning the value in the cell that you use in the formula, e.g. A1. 3 - Now go back into your sheet and try the formula I suggested, which has the PrevSheet UDF in it. Just like any Nested formula, Excel will see the UDF called PrevSheet and run the programming that is behind it. One more item: Since the workbook will now contain some VBA code, you will need to save the workbook with the.xlsm file type. Enable Microsoft Scripting Runtime Excel How To Post DataHow To Post Data or Code --- Click Here Before Posting Data or VBA Code If you need to create invoices for your business, you can use one of the many invoice templates found on Office.com. Although these templates are a great starting point, they wont automatically generate unique invoice numbersyoull need a macro for that. Enable Microsoft Scripting Runtime Excel How To Create JustExcel MVP Bill Jelen graciously offered up a video that demonstrates how to create just such a macro, along with a number of other useful tips. If youve never used macros before, your copy of Excel may have macros turned off, even for.xlsm file types. To check, use the keyboard sequence ALTT, M, S to get to macro settings in the Trust Center dialog box. If Disable All Macros without Notification is selected, choose Disable All Macros with Notification instead. If you use this option, Excel prompts you to enable macros each time you open a file that has them.
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