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 ...

Microsoft Office Outlook maintains everything in a data file, also called PST or OST file. It is an offline copy of mailbox data stored on a local PC. In case of issues, you must delete the data file ...

When we consume our music online via streaming services it is easy to forget the days of recordings being contained on physical media, and to overlook the plethora of competing formats that vied for ...

If you are wondering why the file has ‘NT’ in its name, it’s because this DAT file dates back to Windows NT. It was the first operating system to support multiple user profiles. Windows 98/95 did not ...

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 ...

I have a client who has a DVR security system that runs using a program on a computer called Jwin Sheriff. The Jwin company is a joke, they make crap and they don't support it. I can't get through to ...