I used to think a 50MB Excel file meant I had a lot of data. I was wrong. It actually meant my workbook was a cluttered mess of hidden caches and ghost data. I managed to reclaim my storage and speed ...

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 ...