Select all the relevant cells, and in the Data tab, click the main part of the split "Data Validation" button. Then, click ...

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 ...

Microsoft has started looking into a problem that is preventing users from opening some Excel file attachments with non-ASCII ...