All File Extensions

Today's File Types

.XLM - Microsoft Excel Macro

An XLM file contains one or more macros used for automating processes in Microsoft Excel, a spreadsheet application. It is a script used to perform complex or repetitive Excel functions, such as inserting data in cells or formatting charts.Microsoft introduced XLM files in 1992 with the release of ... View more »

.DOX - MultiMate Document

Document created by MultiMate, a word processing program that was popular in the 1980s; contains document text and data.MultiMate is no longer used or supported, but existing DOX files can be opened in Corel WordPerfect. View more »

.XYZ - Celestia Sampled Trajectory Data File

Data file used by Celestia, a free universe visualization and simulation program; stores an ordered list of positions in space and timestamps; specifies the trajectory of a planet, moon, star, or other space entity.XYZ files are referenced by .SSC catalog files, which store information about ... View more »

.HES - Hudson Entertainment Sound Format

An HES file is a music file saved in the Hudson Entertainment Sound (HES) format. It contains audio ripped from a game ROM for the TurboGrafx-16 game console. HES files are saved in a format similar to the .NFS game music format.You will most likely only encounter HES audio files if you play ... View more »

.MSC - MuseScore Composition File

File created by MuseScore, a free program used for music composition and notation; contains the composition, which includes the key signature, instruments, time signature, and music notes; also contains score metadata, including title, subtitle, composer, and copyright information.MSC files are ... View more »

.SHK - ShrinkIt Archive

Apple II file compressed using the ShrinkIt archiver. View more »

.RJS - RealJukebox Skin File

Custom skin or theme for the RealJukebox media player; can be applied to the player to alter the look and feel of the interface.NOTE: There is a known security issue with RJS files that may allow a script to be run when the file is opened. Therefore, do not open an unknown RJS file. View more »

.SSG - Sonic Robo Blast 2 Saved Game File

An SSG file contains a saved game for Sonic Robo Blast 2, a fan-made, open source Sonic the Hedgehog game. It contains saved game progress, such as the level you are on, the last checkpoint you reached, and the number of lives you have.srb2sav1.ssg - The name of the first saved game. The numbers ... View more »

.SCI - Scilab Script

An SCI file is a script used by Scilab, an open source numerical computation program. It contains multiple Scilab functions that can be executed with the exec command.You can create the SCI file with the Scilab editor. When you execute the commands in the SCI file the functions are loaded into ... View more »

.UW - Unsigned Word Audio File

Raw, unsigned 16-bit (word) audio data encoded using Pulse Code Modulation (PCM), a standard method of encoding analog audio signals in digital form View more »

.CPQ - Compaq OEM Disc Configuration File

File found on Compaq OEM system restore discs, which are called Compaq Restore Plus! CDs; uses the filename OSLANG.CPQ and contains configuration information for restoring the original Windows operating system on the computer.The OSLANG.CPQ file is saved in a plain text format. It is not meant to ... View more »

.ARTICLE - Twixl Publisher Article

Article created by Twixl Publisher, a program that allows users to create interactive content apps for mobile devices; contains an article, which includes its content, title, taglines, and layout dimensions.ARTICLE files are used to store individual articles that can be merged together with the ... View more »

.FASTA - FASTA Sequence File

Scientific data format used to store nucleic acid sequences (such as DNA sequences) or protein sequences; may contain multiple sequences and therefore is sometimes referred to as the FASTA database format; can be viewed and analyzed using DNA analysis software.FASTA files often start with a header ... View more »

.SDOC - Satra Khmer Document

Document created by Satra Khmer, a program used for protecting document text; contains text that has been transposed from regular text to Satra text using the proprietary Transposition System; used for storing sensitive information.NOTE: The Satra Khmer user interface is displayed in the Khmer ... View more »

.SHORTCUT - Asutype Shortcut

Shortcut used by Asutype (formerly As-U-Type), a real-time spell checking program; speeds up repetitive typing tasks by allowing users to enter words or phrases via custom text shortcuts. View more »