Files with fts extension can also be found as search indexes generated by Windows Help whenever a corresponding .hlp file is opened by the user.

There are 3 other file types using
the FTS file extension!

empty icon.fts - Flexible Image Transport System format

empty icon.fts - ArcView UNIX help supporting data

empty icon.fts - FastTrack Schedule data

Detailed description

Software that open fts file

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FTS file extension - Windows Help index file

What is fts file? How to open fts files?

File type specification:

Temporary file type icon Temporary file type

fts file icon: fts filetype icon

File extension fts is also associated with Windows Help. A .fts file was a search index, generated whenever a corresponding .hlp file was opened. These index files generally increase loading speed.

The default software associated to open fts file:

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:

It is unlikely that you can open .fts files manually.

How to convert:

Considering these files are generated for temporary purposes, it is unlikely you can convert .fts fo anything else.

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

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

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

Click on the software link for more information about Microsoft Windows. Microsoft Windows uses fts 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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