Change Association This Time Sometimes you may want to open a data file with a different program. To open a file by choosing the application, see Win Open With.

What does Win File Open actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Many times when receiving mail attachments with the new Exchange-enabled Microsoft Entourage v.X from Windows users, you will get a winmail.dat file that is inaccessible under Mac OS X. Alan Sill ...

If you're having trouble opening a DAT file, I'll show you a simple and free way to do it. This method works on both Mac and PC. Just open your browser and go to winmaildat.com. It's a ...

What is Index.dat file? Where is it in Windows 11/10? Download free index.dat reader, viewer, analyzer. Learn how to delete index.dat file.

If you regularly receive winmail.dat files from business associates, Letter Opener is well worth the investment.