Have you ever sent an Excel file to a colleague, only to realize they couldn’t open it because of compatibility issues? Or perhaps you’ve spent hours perfecting a spreadsheet, only to see its ...

I used to think the "Save as type" drop-down menu in Excel was just a list of legacy junk. I was wrong. It's actually a toolkit of superpowers that can shrink massive workbooks, turn macros into ...

Ankush khandelwal asked about compatibility issues between files created in different versions of Microsoft Office–specifically the big changes in file format that came with Office 2007. With Office ...