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Add a digital signature to a file or macro project - Excel - Office.com
Show All Hide All You digitally sign (digital signature: An electronic, encryption-based, secure stamp of authentication on a macro or document. This signature confirms that the
Create or delete a macro - Excel - Office.com
Macros can help you automate repetitive tasks and save time. You can use the macro recorder to record the macro or write your own macro script in VBA.
Quick start: Create a macro - Excel - Office.com
If you have tasks in Excel 2010 that you do repeatedly, you can record a macro to automate those tasks.
Video: Edit a macro - Office.com
Watch this video to see how to edit a macro in a special text editor called the Visual Basic Editor. Visual Basic is the programming language that macros are recorded in.
Video: Save your macro - Office.com
To make sure your macro is always available on your computer, save it to your Personal Macro Workbook, which is a special hidden workbook that loads every time you start Excel.