| File extension Name |
extension description |
| ._00 | Soundtrack Compressed File |
| ._01 | Soundtrack Compressed File |
| ._01 | Compressed BIOS File |
| ._02 | Soundtrack Compressed File |
| ._1 | Audio Utility Tuningwrench Compressed File |
| ._2 | Audio Utility Tuningwrench Compressed File |
| ._3 | Audio Utility Tuningwrench Compressed File |
| ._8 | Audio Utility Tuningwrench Compressed File |
| ._CRYPT | Virus.Win32.Gpcode.ak Encrypted Document |
| ._DB | Stratum Data Icons File |
| ._DD | Norton Disk Doctor Recovered File (Symantec Corporation) |
| ._DL | Form of DLL File |
| ._DM | Nuts n Bolts Disk Minder Recovered File |
| ._EX | Form of EXE File |
| ._H | Type Manager Japanese Font Outline (Adobe Systems Incorporated) |
| ._MP | InstallShield Temporary Installer File (Acresso Software Inc.) |
| ._NT | Form of NT File |
| ._RS | RVS-COM Service Pack (Living Byte Software GmbH) |
| ._SLN | Visual Studio Solution (Microsoft Corporation) |
| ._SLN60 | Visual Studio 6.0 Solution (Microsoft Corporation) |
| ._SLN70 | Visual Studio .NET 2002 Solution (Microsoft Corporation) |
| ._SLN71 | Visual Studio .NET 2003 Solution (Microsoft Corporation) |
| ._SLN80 | Visual Studio 2005 Solution (Microsoft Corporation) |
| ._SLN90 | Visual Studio 2008 Solution (Microsoft Corporation) |
| ._SY | Form of SYS File |
| ._V | Type Manager Japanese Font Metrics (Adobe Systems Incorporated) |
| ._VBXSLN80 | Visual Basic Express 2005 Solution (Microsoft Corporation) |
| ._VBXSLN90 | Visual Basic Express 2008 Solution (Microsoft Corporation) |
| ._VCPPXSLN80 | Visual C++ Express 2005 Solution (Microsoft Corporation) |
| ._VCPPXSLN90 | Visual C++ Express 2008 Solution (Microsoft Corporation) |
| ._VCSXSLN80 | Visual C# Express 2005 Solution (Microsoft Corporation) |
| ._VCSXSLN90 | Visual C# Express 2008 Solution (Microsoft Corporation) |
| ._VJSXSLN80 | Visual J# Express 2005 Solution (Microsoft Corporation) |
| ._VWDXSLN80 | Visual Web Developer Express 2005 Solution (Microsoft Corporation) |
| ._VWDXSLN90 | Visual Web Developer Express 2008 Solution (Microsoft Corporation) |
| ._VX | Form of VXD File |
| ._ZA | CleverZip Temporary File |
| .__A | FFSJ Split/Join File (Fast File Joiner) |
| .__INCOMPLETE___ | WinMX Incomplete Download (Frontcode Technologies) |
| .___ | Adinf table |
| .___FPE | Folder Password Expert Protected Folder (ZQS Software Team) |