Office repair normally takes between a few minutes to about 2-3 hours (even on slow internet connection speeds). However, in case you have a slower internet connection, then it does not seem to be working on your computer.
How long does Office repair take online?
Select Office ProPlus from the list of applications, and then click Change. From the resulting window, select Online Repair. Note: The Online Repair can take over 10 minutes, depending on your Internet speed. However, this option updates you with the latest build of Office ProPlus.
How long does it take to quick repair Office 365?
When you run a Quick Repair operation, Office will attempt simple repairs using local files already on your PC. This usually takes a minute or two to complete.
What does Office quick repair do?
Quick Repair – Fixes most issues quickly, without the need for an internet connection, or, Online Repair – Fixes all issues, but takes a little longer and requires an internet connection throughout. You can select this option if you are still having problems after trying Quick Repair.