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How to: Resolve File Block Errors in MS Office 365 Pro Plus Applications

Modified on: Fri, 21 Mar 2025 12:31

Description:

This KB Article will serve as guide to business users whose MS Office Applications were updated to 2016 and are encountering issues such as unable to save files in Word, Excel, PowerPoint, E-Mail Signature & etc.


Solution:


  1. Open MS Office Word/Excel application 
  2. Go to File, located at the top corner of the MS Office application
  3. Go to Options, located at the bottom part of file Settings 
  4. Go to Trust Center tab and click the Trust Center Settings button      
  5. Under the Trust Center window, click on the File Block Settings tab and you'll see the file block settings for each file types
  6. Based on the encountered error message, Uncheck the corresponding boxes for the file type(s) that you need to unblockFor Example, Error Message: “You are attempting to save a file type (Word 2007 and later Documents and Templates) that has been blocked by your File Block settings in the Trust Center”      
  7. After unchecking the Open and Save boxes for the file type that you need to unblock, click OK and you are now good to go.
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