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List of file formats This page was last edited on 8 December 2024, at 20:05 (UTC). Text is available under the Creative Commons Attribution-ShareAlike ...
The original File Allocation Table (FAT) file system, used by Standalone Disk BASIC-80, had a 6.3 file name, with a maximum of 6 bytes in the name and a maximum of 3 bytes in the extension. The FAT12 and FAT16 file systems in IBM PC DOS / MS-DOS and Microsoft Windows prior to Windows 95 used the same 8.3 convention as the CP/M file system.
Filename extension is usually noted in parentheses if they differ from the file format's name or abbreviation. Many operating systems do not limit filenames to one extension shorter than 4 characters, as was common with some operating systems that supported the File Allocation Table (FAT) file system.
Microsoft Excel uses dedicated file formats that are not part of OOXML, and use the following extensions:.xlsb – Excel binary worksheet (BIFF12).xla – Excel add-in that can contain macros.xlam – Excel macro-enabled add-in.xll – Excel XLL add-in; a form of DLL-based add-in [1].xlw – Excel work space; previously known as "workbook"
Windows Event log file Microsoft Windows NT 4.0 - XP; Microsoft Event Viewer: EVTX: Windows Event log file XML structured Microsoft Windows Vista, 7, 8; Microsoft Event Viewer: EX: Elixir source code file Elixir programming language running on BEAM (Erlang virtual machine) [90] EXE: Directly executable program DOS, OpenVMS, Microsoft Windows ...
IBM Lotus Symphony – freeware for MS Windows, Apple Mac OS X and Linux. Kingsoft Office Spreadsheets 2012 – For MS Windows. Both free and paid versions are available. It can handle Microsoft Excel .xls and .xlsx files, and also produce other file formats such as .et, .txt, .csv, .pdf, and .dbf. It supports multiple tabs, VBA macro and PDF ...
The FAT file system for DOS and Windows stores file names as an 8-character name and a three-character extension. The period character is not stored. The High Performance File System (HPFS), used in Microsoft and IBM's OS/2 stores the file name as a single string, with the "." character as just another character in the file name.
MS-DOS commands like dir and Windows apps like File Explorer do not show hidden files by default, unless asked to do so. [4] System (S): When set, indicates that the hosting file is a critical system file that is necessary for the computer to operate properly. MS-DOS and Microsoft Windows use it to mark important system files.