Please try uploading the problematic zip folder to a new document library to see if it exhibit same behavior.ġ.Uploaded many zip folders to a document library on SharePoint onlineĢ.Downloaded one of the zip folders by clicking on the download icon on SharePoint onlineģ.On clicking open the downloaded zip folder, got an error(cannot open. Is there any difference between the problematic zip folders and those zip folders which can be viewed in browser? For example, contents, file size.Ĥ. How did you upload these zip folders to document library? By clicking Upload button, or dragging them to document library via browser or from synced folder?ģ. Before uploaded to document library, can the problematic zip folders extracted and opened directly in file explorer?Ģ. If my understanding is correct, we'd like to confirm the following information for further investigation:ġ. When you download the problematic zip folder to your local drive, it can be opened and extracted directly without using third party tool. When you use the Open with Explorer command to open the problematic zip folder in File Explorer, it can't be opened or extracted directly but can be extracted using third party tool.ģ. You uploaded many zip folders to the document library in the same way but only the three folders can't be viewed in browser.Ģ.
Based on my understanding, you are in the following situation (if there is anything missed, feel free to correct me):ġ.