Several Outlook users, on different forums, have reported encountering the error “OST file cannot be opened,” when trying to open the application or sending ...

Apple’s Gatekeeper technology protects your device from harmful viruses. When the security software detects that the app is downloaded from outside the app store or an unidentified developer, it ...

A compressed version of files, popularly known as zipped files are convenient but also prone to errors. So, when you attempt to open such files using freeware utilities like 7-Zip, you may encounter ...

If you cannot open the Excel file from its location, simply open any Excel file and click the File tab. Then, go to Open > Browse and select the file giving error ...

Learn to install unsigned Mac apps safely by updating, finding alternatives, or adjusting security settings Reviewed by Jessica Kormos You can fix the error by ...

You can fix the error by updating the app or adjusting your Mac's security settings. If the app is not verified, try downloading it again using Safari and follow the ...