Files with FID extension can be found as index files in Microsoft Windows operating system.

There is one other file type using
the FID file extension!

empty icon.fid - File Investigator database file

Detailed description

Software that works with fid file extension

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FID file extension - Windows index file

What is fid file? How to open fid files?

File type specification:

System file type icon System file type

The FID file extension is related to Microsoft Windows operating system and used for files that contain index caches that speed up the operations of Windows. These files are typically located within the System Volume Information folder.

The default software associated to fid file type:

Microsoft Windows icon

Microsoft Corporation logoMicrosoft Windows  Microsoft Windows software

Company or developer:
Microsoft Corporation

A family of operating systems developed by the Microsoft Corp. The first Windows was released in 1985 as a GUI add-on to MS-DOS.  MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Windows 10.

Help how to open FID files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension FID:

As far as we know, this .fid file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .fid file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open fid file, edit fid file, convert fid file, view fid file, play fid file etc. (if exist software for corresponding action in's database).

  • Others fid file

Unspecified and all other actions for computer programs working with fid file - Windows index file

Click on the software link for more information about Microsoft Windows. Microsoft Windows uses fid file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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