While rare and usually because of a bug, hang, or crash, sometimes files in OS X may be stuck with an "in use" lock that will prevent them from being edited or managed by other programs. Here is how ...

If you are unable to open an Excel, Word, or PowerPoint attachment from Microsoft Outlook or a file from the Internet, and you get an error message, The file is ...

This post will help you if you cannot select multiple files or folders in Windows Explorer. Often, while working in File Explorer, you may need to select multiple files or folders at once. There are ...

If Outlook will not open an attachment and returns an error telling you to check your permissions, you have one of two problems. Your temporary file folder is either ...

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