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How to Repair Your Microsoft Office 365 Installation

Microsoft Office applications at some time or another will break. Examples include applications in the suite not opening, responding, or error messages. Fortunately, the suite includes tools you can use to fix these types of problems.

Recently, I had an issue with Outlook not launching at all; it just remained stuck on the splash screen. Disabling addons did not help either. So, I turned to the next best option which is to repair Office. Microsoft refined the repair options with the Office 365 release based on Click-to-Run technology that makes it easily to access repair files over the internet, no need for install media.

Repair Microsoft Office 365

Start by opening Programs and Features in the Control Panel. In Windows 10 you can get there by pulling up the hidden quick access menu.

Once you’re there, select Microsoft Office 365 in the program list and then Change/Repair on the command bar.

Programs and Features

Now, wait while the repair wizard starts up.

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Choose the type of repair you would like to perform. Depending on the severity or availability of your Internet connection, you could try the first option, Quick Repair, which is much faster and tries to fix the problem without a data connection.

If that doesn’t resolve the problem, then go back and try the Online Repair option. For my particular issue, I ultimately had to use the Online Repair.

Office 365 Online Repair

The repair process is straight-forward following the wizard. Note that you’ll need to save your work and close all Office programs first, and then click Repair.

Office 365 repair 5

Then wait while the repair process runs.

Office 365 repair 6

You will notice the repair experience is similar to a fresh installation. The amount of time it takes will depend on your connection speed and what the issue is.

Office 365 repair 8

You will see your Office apps light up in their respective colors while the repair completes.

Office 365 repair 9

Once the installation is complete, restart your computer just to be sure and launch your apps and verify if the problem you were having is resolved.

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6 Responses to How to Repair Your Microsoft Office 365 Installation

  1. watoo July 4, 2016 at 1:16 pm #

    Thanks Andre!!…very useful to repair my wife’s computer after God knows what key strokes and clics led to Outlook’s coma…
    groovy post !

  2. t c September 14, 2016 at 5:08 pm #

    Does not work. Several times! This is thee worst and I have to pay for it too!? Gates Monopoly! Greed and useless software, capitalism at its best, but I still can’t use MS Word! Who do I go to for that?

    • Robert P October 13, 2016 at 4:25 am #

      Blame your computer then not the software. A faulty install or something is in fault here. Do a full uninstall, delete registry keys and do a reboot, then download and install from the website and try then. Allso do a sfc /scannow with cmd (admin rights aswell)

  3. Zoticus October 27, 2016 at 8:59 am #

    Excellent – Worked a treat.

  4. boz November 5, 2016 at 5:16 pm #

    I am doing online repair and so far it has taken 3 days and not yet done. the progress bar is moving but 3 day??? Any ideas?

    • Steve Krause November 5, 2016 at 10:53 pm #

      Uh.. no.

      Either you have a bad hard drive (eek) or it’s puked on itself.

      I would reboot and try again. Shouldn’t take longer than 30 minutes (from my experience). I’ve ran it about… 5 or 6 times over the past few years.

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