SOLIDWORKS PDM Warning: ‘The file format of file is not recognized’

Article by Joe Medeiros, CSWE updated November 12, 2018


When checking in files that contain configurations, a SOLIDWORKS PDM user may receive a message

‘The file format of file is not recognized. Do you want to check it in anyway?’

This may result from the configuration name exceeding 255 characters, which is the maximum allowed in a SOLIDWORKS PDM database.

The file format of file is not recognized SOLIDWORKS Data Card


The file can be checked in, but without the configurations. In the data card, there will be no tab for the configurations

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Joe Medeiros, CSWE

Joe Medeiros is a SOLIDWORKS and PDM Certified Expert. He has been helping SOLIDWORKS users with training, mentoring and implementations since 1998. He combines industry experience with a thorough understanding of SOLIDWORKS products to assist customers in being successful. He shares his experience and expertise through blogs; one of which has been incorporated into the SOLIDWORKS Essentials training manual.