Like many programs, Microsoft Office’s tools can be extended by third-party add-ons. You can try uninstalling or disabling any you’re aware of. Exactly how you do this will depend on the specific add-on. If you’re not sure, the Installed Apps list we started with is a good place to look. If neither automatic nor manual repair works, there are some recovery methods that might help salvage your data.This usually takes a minute or two to complete.If your documents are the cause of the proble...