Error Ox800CCC13 Outlook in Windows 10

Solutions

When Windows is updated from an older version to Windows 10 with the user choosing to retain the already installed Microsoft Office installed on their computer, certain files might get corrupted during the update process. As a consequence, Microsoft Outlook’s functionality will be compromised, besides other issues. Luckily the fix is quite straightforward. Just follow the solutions given in the following paragraphs to fix this error. These solutions will lead to a complete scan of the whole system and repair (any) corrupted files. Microsoft has reported that during the update process mlang.dlI.Mui and Windows.Media.Speech.UXRes.dll.mui files can be corrupted and they are the prime reason why this error occurs.

Solution 1: Repair the Files with Command Prompt

1. Click on the start button to open the start menu.
2. Search for Command Prompt.
   
3. Open the Command Prompt in Administrator mode by clicking on Run as administrator.
   
4. Type the following command in Command Prompt to scan the computer for corrupted files.
   • sfc /scannow

   

5. Now press Enter to initiate the scanning process.
6. If the SFC found any errors, it will repair them automatically.
7. Once the scan is over, restart the system.

Solution 2: Reinstall Office after Updating to Windows 10

Another approach would be to reinstall Office once you’ve updated to Windows 10. Follow these steps to do so.

1. Open the start menu.
2. Click on Settings and then select System from the window that just opened.
   
3. Click on Apps & features.
   
4. Search for Office.
   
5. When it shows Microsoft Office, click on it and select Modify.
   
6. Select Repair.
   
7. Click on Continue in the next window.
8. Once the installation is over, restart the computer to make the changes take effect.

Solution 3: Let Microsoft Office Repair Itself through Update

1. Open the start menu.
2. Search for Windows Update settings and click it from the Best match.
   
3. Click on Advanced options.
   
4. Select the checkbox for Give me updates for other Microsoft products when I update Windows.
   
5. Open the start menu again and search for Updates.
6. Click on Check for updates to initiate the update process.
   
7. Now Windows 10 will launch the update process not just for Windows, but also for all other Microsoft products such as Microsoft Office. Any updates that are available will be installed, which will automatically lead to the corrupt file(s) being repaired. However, this method won’t work if Microsoft Office is already up-to-date as Windows will simply ignore the update in that scenario. And any corrupted files will also stay in their present state, as a result