>> FTS file

FTS file format description

Many people share .fts files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .fts file can be edited, converted or printed with. On this page, we try to provide assistance for handling .fts files.

3 filename extension(s) found in our database.

.fts - Windows Help Full-Text Search Index

The FTS document files are related to Windows Help. FTS file is a Windows Help Full Text Search Index. When you run Help, if you click the Index button, the Help file is indexed, and a Full Text Search (.fts) file is created. This file may be larger than the Help file itself. The Windows Help seems to be no longer supported.

Windows Help
Document files
- / -
Windows Help Full-Text Search Index related extensions:
Windows Global Index File
Google Drive Sheet
Google Drive Drawing
Google Drive Presentation
Google Drive Document
Creately Document Markup Language Document

.fts - FastTrack Schedule Data

The FTS data files are related to FastTrack Schedule. FTS file is a FastTrack Schedule Data. FastTrack Schedule is a project management software for organizing, tracking and reporting.

FastTrack Schedule
Data files
- / -
FastTrack Schedule Data related extensions:
Cabri II Plus Figure Data
Nintendo DS Character Data
iOS Thumbnail Data
Lotus Agenda Data
ARIA Link Data
LP Ripper Track Analysis Data

.fits - Flexible Image Transport System Image

The FITS graphic files are related to XnView. FITS file is a Flexible Image Transport System Image. FITS stands for "Flexible Image Transport System" and is the standard astronomical data format endorsed by both NASA and the IAU. FITS is much more than an image format (such as JPG or GIF) and is primarily designed to store scientific data sets consisting of multi-dimensional arrays (1-D spectra, 2-D images or 3-D data cubes) and 2-dimensional tables containing rows and columns of data.

Graphic files
- / -
fit, fts
Flexible Image Transport System Image related extensions:
ZX Spectrum Hobetta Image
Pocket PC Bitmap Image
Amapi Image
Sony Mavica Picture
GoDot Image
TI-73 Bitmap

Naturally, other applications may also use the .fts file extension. Even harmful programs can create .fts files. Be especially cautious with .fts files coming from an unknown source!

Can't open a .fts file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .fts file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

bts, cts, dts, ets, ffs, fgs, fhs, frs, fs, fst, ft, ft5, ftc, ftw, ftx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Fig Figure Settings Data
Adobe RoboHelp RTS Data File
Enthuware Test Studio Document
WinDev HyperFileSQL Full-text Index
Intel VTune Project
DTS Encoded Audio File

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .fts file format, then write to us!