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.FLT file extension

To open .FLT files on Windows, right-click the .FLT file and select 'Open with'.

.FLT files are document files that require specific applications to open. Use compatible software for your operating system to access them.

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Last updated: March 19, 2026

Open on your device

Choose your operating system for a dedicated step-by-step opening guide.

How to open .FLT files

Use these platform-specific instructions to open .FLT files safely.

Windows

  1. Right-click the .FLT file and select 'Open with'.
  2. Choose a compatible application like OpenFlight or a GIS software.
Full Windows guide

Mac

  1. Control-click the .FLT file and select 'Open With'.
  2. Choose an application that supports .FLT files, such as a GIS viewer.
Full Mac guide

Linux

  1. Right-click the .FLT file and select 'Open with'.
  2. Use a compatible Linux application like a GIS tool or viewer.
Full Linux guide

iOS

  1. Open the .FLT file in the Files app.
  2. Use 'Share' to send it to a compatible app if needed.
Full iOS guide

Android

  1. Locate the .FLT file in your file manager.
  2. Open it with a compatible Android app that supports .FLT files.
Full Android guide

Security notes

  • Always verify the source of the .FLT file before opening.
  • Keep your software updated to protect against vulnerabilities.
  • Avoid running any embedded scripts unless you trust the source.

Can't open this file?

These are the most common causes and fixes when .FLT files fail to open.

Common reasons

  • FLT file does not open
  • File opens with incorrect application

Fix steps

  1. Ensure a compatible application is installed.
  2. Check that the file is complete and from a trusted source.
  3. Try opening the file with another application.

Recover a deleted or lost .FLT file

If the file was deleted by mistake or the drive was formatted, data recovery software may be able to get it back. Stop writing to that drive right away, because new data can overwrite what you want to recover.

MiniTool Power Data Recovery

Windows software that recovers deleted or lost files from PCs and external drives such as HDDs, SSDs, USB drives and memory cards, after deletion, formatting or a crash.

Wondershare Recoverit

Windows and Mac software that recovers deleted or lost files from computers and external drives such as HDDs, SSDs, USB drives and SD cards.

We may earn a commission when you use affiliate links. This supports our free file extension guides.

OS-specific troubleshooting

Convert .FLT to other formats

Use conversion tools to change .FLT files into formats your software supports.

What is a .FLT file?

.FLT is a document file format used by specialized applications, often in industries like simulation or geographic information systems. These files can contain complex data structures and are not typically meant for general document viewing.

Background

.FLT files are often associated with applications that handle complex data, such as flight simulation or geographic information systems. The format may include 3D models, simulation data, or other specialized content. While not as common as other document formats, it serves crucial roles in industries requiring detailed and precise data representation. Users may encounter .FLT files when dealing with professional software suites or when exchanging data in specific technical fields.

Common MIME types: text/vnd.ficlab.flt

Other meanings of .FLT

The description on this page could not be verified against an independent source and may not match your file. Known meanings of .FLT:

  • Adobe Audition Filter
  • OpenFlight Scene Description File
  • Flight Simulator Saved Flight
  • Graphics Filter
  • Vue Filters File

Further reading

Authoritative resources for more details on the .FLT format.

Common .FLT issues

FLT file does not open

The file may not open if the necessary software is not installed or the file is corrupted.

  1. Ensure a compatible application is installed.
  2. Check that the file is complete and from a trusted source.
  3. Try opening the file with another application.

File opens with incorrect application

The operating system may associate the file with the wrong application.

  1. Right-click the file and select 'Open with'.
  2. Choose the correct application and set it as default.

FAQ

Can I convert a file to .FLT by renaming it?

No, renaming does not convert the file. Use a conversion tool instead.

Is it safe to open .FLT files?

Yes, if the file is from a trusted source and opened with reputable software.

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