| File Manager | |
|---|---|
 | |
 File Manager inWindows 10 | |
| Original author | Chris Guzak |
| Developer | Microsoft |
| Initial release | November 1988; 37 years ago (1988-11) (OS/2; as File System) May 22, 1990; 35 years ago (1990-05-22) (Windows) |
| Stable release | |
| Repository | |
| Written in | C,C++ |
| Operating system | OS/2,Microsoft Windows |
| Platform | IA-32,x86-64, andARM64 |
| Predecessor | MS-DOS Executive |
| Successor | Windows Explorer |
| Type | File manager |
| License | MIT License |
File Manager is afile manager program originally bundled with releases ofOS/2 andMicrosoft Windows[2] between 1988 and 2000.[3] It is a single-instance graphical interface, replacing the command-line interface ofMS-DOS to managefiles (copy, move, open, delete, search, etc.) andMS-DOS Executive file manager from previous Windows versions.
Although File Manager was included inWindows 95 andWindows NT 4.0 and some later versions,Windows Explorer was introduced and used as the primary file manager, with file management via a two-pane view different from that of File Manager, and a single-pane view obtained by clicking a "My Computer" icon.
File Manager was reintroduced on 6 April 2018 as anopen-source project which improves some aspects of the program, including being offered as a native 64-bit application. It has been made as an optional download for all modern releases of Windows (includingWindows 10 and later) via theMicrosoft Store.[4]
The program's interface showed a list ofdirectories on the left hand panel, and a list of the current directory's contents on the right hand panel. File Manager allowed a user to create, rename, move,print, copy, search for, and delete files and directories, as well as to setpermissions (attributes) such as archive, read-only, hidden or system, and to associate file types with programs. Also available were tools to label andformat disks, manage folders for file sharing and to connect and disconnect from anetwork drive. OnWindows NT systems it was also possible to setACLs on files and folders onNTFS partitions through the shell32 security configuration dialog (also used by Explorer and other Windows file managers). On NTFS drives, individual files or entire folders could be compressed or expanded. The Windows NT version of File Manager also allows users to change directory, file, local, network and user permissions.
From Windows 95 and Windows NT 4.0 onward, File Manager was superseded by Windows Explorer. However, theWINFILE.EXE program file was still included with Windows 95,98 andWindows Me (16-bit executable), as well as Windows NT 4.0 (32-bit executable). The last 32-bitWINFILE.EXE build (4.0.1381.318) was distributed as part of Windows NT 4.0 Service Pack 6a (SP6a) in 1999, while the last 16-bitWINFILE.EXE build (4.90.3000) was distributed as part of Windows Me in 2000.
File Manager was first introduced in OS/2 versions 1.1, 1.2 and 1.3.[5][6][7] The initial version was released in 1988 as part of OS/2 1.1 and was initially named as "File System" with the executable namePMFILE.EXE (with "PM" standing forPresentation Manager, the GUI of OS/2 first introduced with version 1.1).
The original version of File Manager was a 16-bit program that supported the 8.3 file names that were in use at the time. It did not support the extended file names that became available in Windows 95 – includinglong file names and file names containing spaces. Instead, it would display only the first six characters followed by a tilde character ("~") and a number, usually 1. More numbers (2, 3, and so on) were added after the tilde if more than one file name with the same initial characters existed in the same directory.
The first version of File Manager for Microsoft Windows was introduced as a 16-bit application starting withWindows 3.0 in 1990 with the executable nameWINFILE.EXE (short for "Windows File Manager"). The 16-bit version distributed withWindows 3.1 andWindows for Workgroups 3.1 installations had aY2K issue due to lexicographic correlation between date representation and theASCII character set; colons and semicolons replaced what should have been '2000'. Microsoft issued corrected binaries for all Windows 3.1 environments in 1997.[8]
Chris Guzak was theshell developer on the Windows 3.1 team responsible for the Windows version of File Manager.[9]
File Manager was superseded by Windows Explorer in all versions of Windows 9x starting withWindows 95, however File Manager itself continued to be included in Windows 9x releases such as Windows 95,98, andMe. The program across all Windows 9x releases remained as a 16-bit program and was relatively unchanged from Windows 3.1.
File Manager was rewritten as a 32-bit program for Windows NT. This new version correctly handled long file names in addition to adding support forNTFS file systems. It was included withWindows NT 3.1,3.5,3.51, and4.0.
On 6 April 2018, Microsoft released binaries and thesource code,licensed under theMIT License, for an improved version of File Manager running on Windows 10.[10][11][4] Based on the latest 32-bit version of File Manager that was originally included with Windows NT 4.0, this version included changes such as the ability to compile in modern versions of Visual Studio, the ability to compile as a 64-bit application, and numerous usability improvements.[4] The source code was released with anMIT license onGitHub by Microsoft.[10][4] Microsoft also released this version of File Manager on theMicrosoft Store for free in late January 2019,[12] which is compatible with all modern releases of Windows including Windows 10 and later.
As of 4 March 2025[update], Microsoft has archived the repository for File Manager on GitHub and will no longer maintain the source code of the application due to the historical nature of the software. Users are allowed to fork the repository containing the File Manager source code and make their own modifications and do whatever they like with it, however they must be warned about the risks associated with creating forks of archived repositories, including File Manager.[4]
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