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 ...

Protein Data Bank (PDB) files are 3D molecular files that store molecular structures. Now, if you are wondering how to open such files on a PC, this post will interest you. Here, we will discuss PDB ...

Have you ever encountered a strange file with an NTUSER.DAT name on your Windows PC? Don't worry, it's not a virus, but quite an important file. In this article, we'll explain what it is and why you ...

If you live in a world where you get email from Outlook users, and I think most of us do, you probably see the dreaded winmail.dat file on occasion. Outlook compresses all of its attachments together ...

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 ...

Letter Opener converts winmail.dat attachments on the fly, so you can actually see and use the attachments the sender intended you to have. [Editor’s note: The following review is part of Macworld’s ...