Downloaded SharePoint Folder Cannot be Unzipped

Issue/Question

Error: Windows cannot open the folder. The Compressed (zipped) Folder is invalid

Folder has been downloaded from SharePoint as a .zip file but cannot be unzipped

Environment

• SharePoint
• Windows

Cause

Character limit for file path exceeds 260

Invalid characters such as < >? : " / \ | ? * are in file name

Resolution

1. Use a Third-Party Extractor such as 7zip 
2. Rename the file(s) or folder(s) in SharePoint to remove invalid characters and shorten length
3. If it still cannot be unzipped, sync the Folder to OneDrive
   1. From SharePoint, click  in the top right corner of the page
   2. Click Sync
   3. Click Open Microsoft OneDrive
   4. Click Close
   5. Click Add shortcut to OneDrive
   6. Folder may take several minutes before it appears in your OneDrive Folder