The mso9.dll apparently is particularly prone to getting corrupted, and it usually causes troubles in PowerPoint, Word and Outlook rather than in Excel. There is a way to repair such corrupted files ...

If you are experiencing the Download did not complete error message in Microsoft Excel, here are the troubleshooting methods to fix the error: Perform preliminary ...

Do you keep experiencing the #SPILL! error in your Excel worksheets on Windows? This error occurs when the formula you have used is unable to populate results into ...

If you're still manually sifting through massive spreadsheets or relying on clunky, old-school sorting tools, you're doing it the hard way. Excel has the powerful FILTER function, a built-in solution ...

Excel still trips over dates, ghost links, and undo history. These six fixes would save hours for everyday users.