Unblock SOLIDWORKS Installation Zip Files Before Unzipping

Article by Joe Medeiros, CSWE updated April 24, 2023


Downloaded zip files can be ‘Blocked’ by Windows and this can prevent an executable, such as the SOLIDWORKS Installation Manager from running correctly. To avoid this, the SOLIDWORKS Installation zip file should first be ‘Unblocked.’

To ‘Unblock’ a zip file, right-click on the file and choose properties.

Editing Properties of a Zip File

In the Zip file Properties, check ‘Unblock’ and click on ‘Apply.’

SOLIDWORKS installation zip

Setting ‘Unblock’ in File Properties

Click OK to close the file properties dialogue box.

The zip file can be unzipped by right-clicking on the file and selecting Windows ‘Extract All…’ Other zip programs such as 7-Zip can also be used

Extracting Zip File

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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.