Occasionally these library files get corrupted, producing errors like the one you have encountered. The mso9.dll apparently is particularly prone to getting corrupted, and it usually causes troubles ...

Here, in this section of the post, we will recommend the five most effective tools and methods to repair the Excel file. Microsoft Excel’s Native Repairing Feature Online File Repair Service Recovery ...

If you are getting The file is corrupt and cannot be opened error while opening a file in Word, Excel or PowerPoint on Windows 11 or Windows 10, here is how you can ...