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 ...

WaitList.dat file in Windows 11/10 WaitList.dat is a data file which has been found to contain stripped text from email, contact and document files as a function of the Windows Search Indexer.

Open-source might not be the first thing you think of with Windows, but these free tools can seriously boost your productivity.

If you can’t convince the sender to use standard email formats, you also have a few options for reading these Winmail.dat-formatted messages. On the Mac, TNEF’s Enough, can open winmail.dat files.

Via this procedure, Windows saves your latest preferences each time you make a change and lets multiple users use the same computer with their own preferences. The name NTUSER.DAT comes from Windows ...

Now you may be looking at gibberish (binary data) but Wordpad (and Notepad) is benign and it is safe to use to open unknown files. Q. I have an IBM Thinkpad running Windows 98.