The Tokens.dat file in the Windows operating system is a digitally signed file, which stores most of the Windows and Office activation files. All files together have a digital signature that prevents ...

There are loads of file types swimming around our computers at any given time — most of which exist to supplement the programs we use or play (or allow them to function in the first place). The most ...

If you been using Windows OS for a long time, you may have come across a file with name NTUSER.DAT. It is a user-specific file that keeps user configuration data that is read when you log in to your ...

We’ve all seen mysterious .dat file attachments in our inboxes from time to time. In most cases the .dat attachment originates in Microsoft Outlook, which produces outgoing messages using a slightly ...

Q. I sometimes receive e-mail messages with a “winmail.dat” file attached that I cannot open. Why does this happen, and what can I do to fix it? A. The winmail.dat file usually appears because various ...