What is a file extension?Short answer: it's the set of letters after the period (.) in the name of a file. Long answer: File extensions signify the file format of a file. It tells the operating system (OS) how data was stored in the file. Not all OS, require a file extension though. For instance, this is optional in Unix, but is mandatory with MS-DOS and Windows systems. In most file formats the file type is actually defined by the contents (first bytes, file structure), but extensions are used to define the application that is used for opening the file. Below is a detailed database of thousands of file extensions our team has compiled for you. Feel free to browse! |
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| ABCDEFGHIJKLMNOPQRSTUVWXYZ | |||||
| QHF - Extension Details | |||||
| Date Added: | December 02, 2009 | ||||
| File Extension: | .QHF | ||||
| Description 1: | The .QHF extension is tied with the QIP Infium saved history file. It refers to files that QIP Infium uses for saved chat histories. QIP is short for Quiet Internet Pager and represents a special closed source computer application for immediate crossNet communications. QIPs basic function is to let users see who else are online as well as available, allowing for easy contact with them via real timesent text messages through public servers. | ||||
| File Type: | Data file | ||||
| Mode: | ASCII | ||||
| Program(s) to Open: | Associated application: QIP Infium | ||||
| Common: | |||||
| Extension: | |||||

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