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 can't edit macro-enabled Excel file because Microsoft has blocked macros from running because the source of file is ...

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 ...

To fix the “Retrieving data, wait a few seconds” error in Microsoft Excel, start by waiting a moment and trying again. If that doesn’t work, reload the website ...