You can copy this file (and any companion DLLs) directly into the installation folder of the program that is throwing the error. 3. Update Audacity FFmpeg Libraries (Specific Fix)
never download a single DLL from an untrusted site. Instead, check the documentation of the software you are using. Most of them will either:
The file is a critical component of the FFmpeg library suite, specifically major version 59 of libavformat . It is most commonly associated with Audacity 3.2 and later, where it enables the software to export and import various audio and video formats like M4A and MP4. Understanding avformat-59.dll
Fact: In most cases the DLL was never present because FFmpeg was never installed. Windows simply cannot find a file that was never there. avformat59dll free
downloading standalone DLL files from "DLL fixer" websites, as they often contain malware or outdated versions. Instead, use these safe methods: 1. Reinstall the Affected Program
If you can tell me is giving you the error (e.g., Audacity, Video Converter) and your operating system (Windows 10/11), I can give you the exact steps to solve it. Audacity Forum Audacity 3.3.3 Failing To Find FFmpeg Library
Malicious software may have damaged, deleted, or replaced the file. You can copy this file (and any companion
To fix errors related to a missing avformat-59.dll , the safest and most effective method is to install the full
In applications like Audacity, go to Preferences > Libraries and click "Locate" next to FFmpeg. Point it to the avformat-59.dll file in the folder you installed it to (e.g., C:\Program Files\FFmpeg For Audacity\avformat-59.dll ).
If you have encountered the error message "The program can't start because avformat-59.dll is missing from your computer" or "avformat-59.dll not found," you are likely dealing with a broken or missing audio/video component for software like , OBS Studio , or various video converters. Instead, check the documentation of the software you
The name avformat-59.dll tells you what it does and its version:
If you've followed the steps above and are still encountering issues, please provide more details in a comment below. Share the name of the software you are using, your operating system (and whether it's 32-bit or 64-bit), and the exact error message. This community knowledge will help us all troubleshoot more effectively.
If a specific app (e.g., OBS Studio, Shotcut, HandBrake) is reporting the missing DLL, instead of hunting for the DLL. Most video tools bundle their own working version of FFmpeg.
: This article is for informational purposes only and does not constitute professional technical advice. While the methods described are widely recommended and used by the open-source community, you should always verify software sources and ensure any system changes are appropriate for your specific situation. The author is not responsible for any damages resulting from the use of this information.