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.FLI file extension

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

.FLI files are video files that require compatible software to open. Use multimedia players that support the .FLI format for viewing.

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Last updated: March 19, 2026 · Reviewed by Julian Stricker

Open on your device

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

How to open .FLI files

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

Windows

  1. Right-click the .FLI file and select 'Open with'.
  2. Choose a program like VLC Media Player or IrfanView that supports .FLI files.
Full Windows guide

Mac

  1. Control-click the .FLI file and select 'Open With'.
  2. Select VLC Media Player or another compatible application.
Full Mac guide

Linux

  1. Right-click the .FLI file and choose 'Open With'.
  2. Select VLC Media Player or a compatible video player.
Full Linux guide

iOS

  1. Use a third-party app like VLC for Mobile to open the file.
Full iOS guide

Android

  1. Open the file using a video player app such as VLC for Android.
Full Android guide

Security notes

  • Always download .FLI files from reputable sources.
  • Use antivirus software to scan files before opening.
  • Avoid executing any scripts or macros within the file unless you trust the source.

Recommended antivirus software

Scan files before opening them. These antivirus tools help protect against malware and viruses.

Avast

Avast offers free and premium antivirus software that protects against viruses, malware, ransomware, and phishing. Scan files before opening them to ensure safety.

Norton

Norton 360 delivers comprehensive antivirus protection, VPN, and identity theft monitoring. Scan files for threats before opening to keep your device secure.

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Can't open this file?

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

Common reasons

  • FLI file won't open
  • No sound in FLI file

Fix steps

  1. Ensure you have installed a compatible video player like VLC.
  2. Check the file integrity by downloading it again from a trusted source.

OS-specific troubleshooting

Convert .FLI to other formats

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

What is a .FLI file?

.FLI is a file extension for a video format developed by Autodesk for animation sequences. It is often used in older animation software and is recognized by its efficient compression for simple animations.

Background

The .FLI file format was developed by Autodesk for use in their animation software, specifically for storing animation sequences. It was popular in the late 1980s and early 1990s as a format for simple animations due to its efficient compression techniques. Although not as commonly used today, it remains a part of many legacy systems and archives. FLI files are typically associated with Autodesk Animator, a program that was widely used for creating animations during its time. They are known for their simplicity and small file size, which made them suitable for the hardware limitations of the era. Despite being largely replaced by more modern formats, .FLI files can still be opened and converted using specialized software, ensuring that historical animations are preserved.

Common MIME types: video/fli

Further reading

Authoritative resources for more details on the .FLI format.

Common .FLI issues

FLI file won't open

This issue occurs when the necessary software is not installed or the file is corrupted.

  1. Ensure you have installed a compatible video player like VLC.
  2. Check the file integrity by downloading it again from a trusted source.

No sound in FLI file

FLI files may not support audio, or the player might not handle it correctly.

  1. Verify if the FLI file includes audio tracks.
  2. Try using a different media player that supports both video and audio playback.

FAQ

Can I convert .FLI to another format?

Yes, use a video conversion tool to convert .FLI files to more common formats like MP4.

Why is the .FLI file not playing smoothly?

This could be due to outdated software or insufficient system resources. Try updating your media player or using a different one.

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