One inherent weakness in WinRAR is its inability to handle long file names and directory structures. Attempting to extract long names from a business RAR file will ...

While downloading software applications for your business, you may encounter files that you cannot open. Some software developers and publishers use the RAR compression format to package large files ...

.dat can mean many things. data of any type quite often ends up with these extensions. How about using the app that created them? You can also try viewing them in notepad.

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 ...

Spotlight: Choking on Finder.DAT files? We've received scattered reports from readers indicating that Mac OS X 10.4.x's Spotlight may have problems indexing and searching for Finder.DAT files -- data ...