Microsoft Office may sometimes fail to open your files.
When this issue occurs, your Office apps may throw a confusing error suggesting the command was not recognized.
Restarting the app doesnt usually solve the problem.
If youre looking for a better solution, follow the troubleshooting steps below.
find out if downloading the file on your system solves the problem.
Additionally, create a copy of the file that triggered the error and save it on your desktop.
If possible, save it under a different format that Office supports.
Then, use another program to kick off the file, make a few changes and save it again.
Use your Office apps to launch the new file and see if this method solved the problem.
They dont even need to upload it again.
Update Office
confirm youre running the latest Office version on your rig.
Repair Office
If your Office Suite installation files got corrupted, repair them and check the results.
