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Errors Importing MS Project File into Workfront

Overview

From Workfront go to Projects tab > +New Project button > Import MS Project. Select the MS Project exported XML file.

Errors with "! There was a problem. We're not sure why, but we weren't able to read the file you uploaded. Importing it again might do the trick."
 
 
Details
This is caused by an unrecognizable XML file from MS Project.
 
A few things to try. 
  • Open this same XML file back into MS Project.
  • Typically, MS Project will return a similar error.
  • Try re-exporting the MS Project file and re-import into Workfront.
  • However, some of the older MS Project versions continue to have problems exporting XML files.