Help
Bandizip in comparison with other archivers
How to use Multi-core Compression
How to use the Finder’s right-click menu for Bandizip
How to set Bandizip as the default app to open archives
How to open ALZ and EGG files on Mac
How to use Extract Here (Smart)
How to split a large file into smaller files with Bandizip
How to view a list of files in an archive
How to modify an archive without decompression
How to set a password for an archive
How to encrypt filenames in archives
How to preview image, document and music files in an archive
How to move files to Recycle Bin (Trash) when deleting
How to use the Password Manager
How to use Repair Archive
How to use the Password Recovery
Troubleshooting
How to troubleshoot when codepage auto-detection doesn’t work correctly
How to troubleshoot when Error 22 occurs and Mac Finder on Catalina can’t extract ZIP archive
How to troubleshoot when a split archive can’t be decompressed
How to troubleshoot when an extracted app file can’t be opened
How to troubleshoot when it takes too long to open archives
How to troubleshoot when a badge icon for files doesn’t appear in the Finder
How to troubleshoot when I can’t uninstall Bandizip
How to troubleshoot when I can’t install Bandizip on the App Store
How to request a refund for Bandizip that you bought from the App Store





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How to troubleshoot when an extracted app file can’t be opened

Mac Apps which are distributed through websites other than the Mac App Store are usually distributed in DMG or PKG format. But some of them are compressed in ZIP format. In the cases, you can’t launch the app which is extracted using Bandizip with a message “The app can’t be opened because it is from an unidentified developer.” as below.



This is caused by the App Sandbox in macOS. To solve the problem, right-click the app icon and select “Open” as below.



If you still can’t solve the problem, you may unzip the app file with Mac Finder instead.