| .ASC | Symantec Corporation | Koodatut tiedostot | PGP (Pretty Good Privacy) ASCII Armored File | UltraEdit | IDM Computer Solutions |
| .ASCII | Sublime HQ Pty Ltd | Tekstitiedostot | ASCII Text | UltraEdit | IDM Computer Solutions |
| .B | Rockstar Games | Pelitiedostot | Grand Theft Auto 3 Saved Game File | UltraEdit | IDM Computer Solutions |
| .CF | Proofpoint, Inc. | Asetustiedostot | Sendmail Configuration File | UltraEdit | IDM Computer Solutions |
| .CFG | Unknown Developer | Sovelluskehittäjän tiedostot | Configuration File | UltraEdit | IDM Computer Solutions |
| .CONFIG | Unknown Developer | Sovelluskehittäjän tiedostot | Configuration File | UltraEdit | IDM Computer Solutions |
| .DOK | Nenad Hrg | Asetustiedostot | DesktopOK Icons Layout File | UltraEdit | IDM Computer Solutions |
| .DTD | Syncro Soft | Sovelluskehittäjän tiedostot | Document Type Definition File | UltraEdit | IDM Computer Solutions |
| .EW | OpenEuphoria | Sovelluskehittäjän tiedostot | Euphoria Source Code File | UltraEdit | IDM Computer Solutions |
| .EX | Symantec Corporation | Asetustiedostot | Norton Ghost Template Data | UltraEdit | IDM Computer Solutions |
| .EXW | OpenEuphoria | Sovelluskehittäjän tiedostot | Euphoria Source Code File | UltraEdit | IDM Computer Solutions |
| .FAQ | The Document Foundation | 3D-kuvatiedostot | Frequently Asked Questions Document | UltraEdit | IDM Computer Solutions |
| .GM | GameMonkey | Sovelluskehittäjän tiedostot | GameMonkey Script | UltraEdit | IDM Computer Solutions |
| .HRL | Ericsson Computer Science Laboratory | Sovelluskehittäjän tiedostot | Erlang Header File | UltraEdit | IDM Computer Solutions |
| .HVC | Sublime HQ Pty Ltd | Tekstitiedostot | ASCII Text | UltraEdit | IDM Computer Solutions |
| .KBD | Autodesk, Inc. | Asetustiedostot | 3ds Max Keyboard Shortcuts File | UltraEdit | IDM Computer Solutions |
| .KDS | Knyzhov Dmitry | Asetustiedostot | KD Player Skin File | UltraEdit | IDM Computer Solutions |
| .LIS | SourceForge | Tekstitiedostot | SQR (Structured Query Reporting) Output File | UltraEdit | IDM Computer Solutions |
| .MB1 | Apogee Software, Ltd. | Pelitiedostot | Monster Bash Game Data File | UltraEdit | IDM Computer Solutions |
| .ME | Unknown Developer | Harvinaiset Tiedostot | Temporary Delete Me File | UltraEdit | IDM Computer Solutions |
| .NLS | Uri Wilensky | Sovelluskehittäjän tiedostot | NetLogo Source Code File | UltraEdit | IDM Computer Solutions |
| .NOW | The Document Foundation | Tekstitiedostot | Readme Text Document File | UltraEdit | IDM Computer Solutions |
| .PB1 | Broderbund | Datatiedostot | Broderbund 3D Home Architect Data | UltraEdit | IDM Computer Solutions |
| .PHL | Amazon | eBook Tiedostot | Kindle Popular Highlights File | UltraEdit | IDM Computer Solutions |
| .RAC | Concept2 Inc. | Datatiedostot | Venue Race Application File Format | UltraEdit | IDM Computer Solutions |
| .README | The Document Foundation | Tekstitiedostot | Readme Text Document File | UltraEdit | IDM Computer Solutions |
| .SKI | Motorola | Asetustiedostot | Motorola Phone Skin File | UltraEdit | IDM Computer Solutions |
| .SMS | Sega | Pelitiedostot | Sega Master System ROM | UltraEdit | IDM Computer Solutions |
| .STC | Adobe Systems Incorporated | Web-tiedostot | Contribute Connection Key File | UltraEdit | IDM Computer Solutions |
| .STRING | IDM Computer Solutions | Datatiedostot | UltraEdit Data | UltraEdit | IDM Computer Solutions |
| .SVH | IEEE Xplore | Sovelluskehittäjän tiedostot | SystemVerilog Source Code Header File | UltraEdit | IDM Computer Solutions |
| .TLD | The Eclipse Foundation | Sovelluskehittäjän tiedostot | Tag Library Descriptor File | UltraEdit | IDM Computer Solutions |
| .TOPC | 3d-scape Limited | Datatiedostot | TopicCrunch Project File | UltraEdit | IDM Computer Solutions |
| .UENC | IDM Computer Solutions | Salatut Tiedostot | UltraEdit Encrypted Text File | UltraEdit | IDM Computer Solutions |
| .UPD | Various Developers | Tekstitiedostot | Program Update Information | UltraEdit | IDM Computer Solutions |
| .VNT | Sony | Tekstitiedostot | Sony Ericsson Mobile Phone vNote File | UltraEdit | IDM Computer Solutions |
| .Y | Microsoft Corporation | Rasterikuvatiedostot | Subsampled Raw YUV Image | UltraEdit | IDM Computer Solutions |
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