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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 ...

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 ...

Microsoft's ubiquitous spreadsheet application, Excel, is a useful tool for small and large businesses alike. However, the Excel format is proprietary and some software applications aren't able to ...