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How To Repair Microsoft Office 365

Jan 20, 2021


Office 365 offline and online repair, to fix major Microsoft Office problems.
microsoft office repair

Are you facing Microsoft Office 365 problems, where it throws some sort of error message or it doesn’t even start, this Microsoft Office Support article will guide you on “How you can repair MS Office 365“.

office programs

 Microsoft Office 365 (Microsoft 365)

Microsoft changed Office 365 to Microsoft 365 on April 21, 2020.

Microsoft 365 is a subscription based service for Office products, available for Home, Business, and Education.
It’s available for Windows, macOS, Android, and iOS platforms.

For some selected schools and colleges Microsoft 365 is available for free, where you can use Word, Excel, PowerPoint, OneNote, and now Microsoft Teams, plus additional classroom tools.
Check your eligibility for free Office 365.

And for everyone else, if you don’t want to go for a subscription, you can use Office products online for free.

Microsoft Office repair explained in this article can be used for Office 365 Home, and Business.

1. Restart PC

The very first step is to restart your PC to make sure no service or process is stuck and creating issues with Office 365, here’s how to restart Windows 10 PC.

Windows 10

  • Click on Windows start menu > Power > Restart

Microsoft Office 365 has two inbuilt self-repair mechanism, Quick repair, and Online repair.

In Quick repair Office 365 tries to repair itself without connecting to the Microsoft server, and in Online repair, it connects to the Microsoft server to fetch fresh Office 365 files to fix corrupt and broken files.

Online repair takes a bit of time and requires an Internet connection to continue.

Quick or Online repair will fix all the issues with Microsoft Office 365, in a rare case where it doesn’t fix your Office problem, continue with the third point on repairing Office 365.

1. Quick repair

Windows 10

  • Go to Settings from the Start menu
  • Click on Apps & features, and find Microsoft 365 on the right side apps list
  • Left-click on Microsoft 365, and click on Modify
office365 repair in windows 10

The repair will start, once completed you will see Done repairing.

Windows 7, 8, 8.1

  • Open Programs and Features, In Run command box (Win + R), type in appwiz.cpl and click Ok
  • In the “Uninstall or change a program” list of programs, find Microsoft 365
  •  Click on Microsoft 365 and click on Change, found on the parent tabs of the program’s list
Office 365 repair in Windows 7

The repair will start and once completed you will see Done repairing.

2. Online repair

In case, Quick repair doesn’t work for you, continue with the Online repair, which is the most effective way of repairing Office.

As you must have noticed in the previous steps of Quick repair, we also have an Online repair option on the “How would you like to repair your Office programs?“, all you have to do is this time select Online repair and continue with the repair.

repair office

Save all your work and close all the active Windows before continuing to the Microsoft Office 365 online repair.

3. Update Microsoft Office

Updating Microsoft Office could fix many problems. Generally, you could update Office in 3 ways, through Office itself, through Windows updates, and using command prompt.

In this Microsoft Office support article, we will see how to update Office 365 from Office itself only.
Updating Office through command prompt and from Office itself is a good idea when you are not planning to update Windows too.

  • Open any Office 365 app
  • Go to File, top left corner first option
  • Click on Account from the left menu
  • Look for Office Updates, click on it and go with Update Now
Office 365 update

If in case, Office programs such as Word or Outlook not opening up because of an error, or Office keeps showing updating, try to update Office through the command line.

  • Open the Run box (Win + R)
  • Copy and paste the following command in the Run box and click Ok

“C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe” /update user

This will start Office 365 update if any available.

4. Reinstall Microsoft Office

If repairing, and updating doesn’t fix your Office problem, you might wanna try reinstalling Office 365.

If you have an Outlook profile configured with POP3 email and also have calendar entries, and contacts, first “Know how to backup your Outlook emails, Contacts, and Calendar“, then continue with “How to reinstall Microsoft Office“.
As reinstalling Office could mess with your Outlook emails, contacts, and calendar if it’s not IMAP or you don’t have a backup of your contacts, and calendar.

5. Update Windows

Updating Windows could fix programs that aren’t working cause of outdated prerequisites, Microsoft Office could be one of those.

To update Windows 10

  • Go to Settings from the Start menu
  • Click on Update & Security

Here, It will start fetching updates.
You might have to click on “Install now” or “Reboot now” to continue with the updates.

In case you are using Windows 7, 8, or 8.1, go to this Windows support article to know “How to update Windows

6. Windows 10 repair install

This step is only for Windows 10 users.

The last resort for Windows 10 users to fix Office 365 issues is Windows 10 repair installation.

Go to this Windows support article to know “How to perform Windows 10 repair install“.

Windows 10 repair installation is a way to fix Windows 10 issues in one go without upgrading your copy of Windows 10 to the next available version.

Resolution that works for many users

Microsoft Office 365 Online repair

We hope this article helped you in repairing Microsoft Office 365.

You may also want to see 5 awesome Windows 10 tips & tricks to boost your productivity.
See the full list of available Windows Support articles.

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More support articles on   Office 365

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  1. george young

    Helped me, thanx.

    • UTBa

      Sounds great, do share the post to help others.

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