Yes! you can!
macro virus
Macro viruses use Microsoft Word and Excel's capabilities to embed code and programs into the document. When the document is opened, the macro virus is executed and infects your computer.
It will depend on the specific type of file and version of Excel. The standard spreadsheet uses xls for versions up to 2003 and xlsx from version 2007. You can also have other types of files, like Excel template files, which would be xlt, or xlm for Excel macro files. There are several other types too.
Yes, the Personal Macro Workbook (PERSONAL.XLSB) must be open for recording macros in Excel. It serves as a hidden workbook that allows users to store macros that can be accessed across all Excel files. When you start recording a macro, it will save the macro in this workbook, making it available whenever you open Excel. If it's not open, the recorded macros won't be saved to your personal collection.
I don't know about Excel 2007 but in 2003 you cannot do it with a macro. An inherent feature constratint of Excel 2003.
Macro viruses are capable of damaging your computer in many different ways. Macro viruses can delete files, format drives, corrupt files, create new files, move text, insert pictures, and send files across the internet.
..xlsx is a Excel 2007 format, whereas .xls is Excel 2003 or earlier. Excel 2007 allows you to save in multiple 2007 formats: ..xlsx - Normal Excel 2007 format ..xlsm - Macro-Enabled format ..xlsb - Binary format Save your files as 2003 under Save as Type and you should be fine.
In Excel, you can interrupt the execution of a macro by pressing the "Esc" key. If the macro is running a lengthy operation, pressing "Esc" might prompt a dialog asking if you want to stop the macro. Alternatively, you can press "Ctrl" + "Break" (or "Ctrl" + "Pause") to halt the macro immediately.
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All you need to do is edit the macro and remove the section you do not want in the macro. Excel 2007: From the Developer tab on the Menu ribbon, click on the Visual Basic icon in the Code section. See related links for a detailed tutor on how to edit an Excel macro.
In Excel 2013 what is the name of the custom toolbar where you can attach your own macro buttons