FLT File
What are FLT files and how to open them
Are you having problems opening a FLT file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.
What is a FLT file?
FLT files have multiple uses, and ESS-Code Filter is one of them. Read more about the other uses further down the page.
ESS-Code Filter
We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
How to open FLT files
Important: Different programs may use files with the FLT file extension for different purposes, so unless you are sure which format your FLT file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested ten different FLT openers which you will find listed below.
Last updated: April 13, 2023
All known file formats using extension .FLT
While ESS-Code Filter is a popular type of FLT-file, we know of 5 different uses of the .FLT file extension. Different software may use files with the same extension for different types of data.
OpenFlight 3D File
We know that one FLT format is OpenFlight 3D File. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
Qimage Filter
We know that one FLT format is Qimage Filter. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
FLT opener for Windows
We have identified one FLT opener that is compatible with this specific type of FLT file.
![]() | Qimage | Verified |
Syntrillium CoolEdit Filter
We know that one FLT format is Syntrillium CoolEdit Filter. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
WinMerge Directory And File Filter
We know that one FLT format is WinMerge Directory And File Filter. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
Programs that open these FLT files
We have identified one FLT opener that is compatible with this specific type of FLT file.
![]() | WinMerge | Verified |
Various apps that use files with this extension
These apps are known to open certain types of FLT files. Remember, different programs may use FLT files for different purposes, so you may need to try out a few of them to be able to open your specific file.
![]() | Adobe Audition | User submitted |
![]() | Microsoft Flight Simulator - A Century of Flight | User submitted |
![]() | Ashampoo Photo Commander | User submitted |
![]() | FileMaker Pro | User submitted |
![]() | Reflection X | User submitted |
![]() | Ashampoo Photo Commander FREE | User submitted |
![]() | TatukGIS Viewer | User submitted |
![]() | StrePla | User submitted |
![]() | SAP VEViewer | User submitted |
![]() | COOLED CCD CAMERA BUSERIES | User submitted |
Help us help others
File.org helps thousands of users every day, and we would love to hear from you if you have additional information about FLT file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.
Not sure exactly what type of file you are trying to open? Try our new File Analyzer. It is a free tool that can identify more than 11,000 different kinds of files - most likely yours too! It will help you find software that can handle your specific type of file. Download File Analyzer here.