DLL

avformat-55.dll

Download and install avformat-55.dll to fix missing or corrupted DLL errors.

(53 Files Available)
Last Updated

Repository Analysis

Company
FFmpeg Project
Product
FFmpeg
Description
FFmpeg container format library
Architecture
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus
29/53 Files 54.7%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is avformat-55.dll?

Metadata analysis shows avformat-55.dll is a Dynamic Link Library (DLL) and is described as FFmpeg container format library .

DLL files (Dynamic Link Library) are used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy. Most errors occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application, repairing windows or replacing the DLL resolves the issue.

How do I fix avformat-55.dll errors?

Most errors involving avformat-55.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common ways to fix DLL errors.

  • Software DLLs: Fully un-install the application and then re-install the latest version. If you are not sure what software is causing problems, check available metadata for clues. If this does not solve your issue, you can try downloading and installing the DLL manually.
  • Windows DLLs: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator. Repair the Windows component store so SFC can pull clean files DISM /Online /Cleanup-Image /RestoreHealth and then scan all system files sfc /scannow to automatically repair problems.
How do I install avformat-55.dll?

To install avformat-55.dll, place the DLL file in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both. If you dont know the application or this does not work, install the DLL to the appropriate Windows system folder.

  • Software Install (Recommended): If known, place the DLL file next to the application’s .exe C:\path\to\exe\avformat-55.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\avformat-55.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\avformat-55.dll
How do I register avformat-55.dll?

Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

  • 64-Bit DLL: Register the DLL file regsvr32 "C:\path\to\avformat-55.dll". (Drag a DLL to automatically fill the full path).
  • 32 Bit DLL: If you are registering a 32-bit DLL on 64-bit Windows, C:\Windows\SysWOW64\regsvr32 "C:\path\to\avformat-55.dll".

Latest Releases

avformat-55.dll
Incomplete Metadata
Uploaded: Jan 1, 2026   Size: 2.1MB
SHA256: ed26356cb672672cf9e8c2b70692241ef10893ba1140b5bf045f109b334f6d7b
SHA1: b879cb93a6ccb3d0ead042c0aba701630d14d5bd
MD5: 7943859bfcdb1e8bbba6b693f82004dc
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
avformat-55.dll
by FFmpeg Project
for FFmpeg
FFmpeg container format library
Version: 55.37.102 Verified
Product Version: 2.2.git
Language: U.S. English (1033)
Uploaded: Nov 1, 2025   Size: 200KB
SHA256: efe209c57c5b5a0cd321c04b6bdd26fa658bf18c30f8a04eeef0d6c7cafbeacf
SHA1: bd8b55ef7890a5c5a68a0371f8e1b5b6758174e5
MD5: 4e46352a1052d56bbe523cdc0a7ffcdc
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
avformat-55.dll
by FFmpeg Project
for FFmpeg
FFmpeg container format library
Version: 55.33.100 Verified
Product Version: 2.2.11
Language: U.S. English (1033)
Uploaded: Oct 14, 2025   Size: 5.7MB
SHA256: ce96eb987d6e9d5fedef039fe54df74efd83d28f63286c3873606431db6416c1
SHA1: 45576eaa2487553ba91ada3f8ebbefc70f1966ad
MD5: 3cd56ca3592d9f496b8084edb6d1d007
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
avformat-55.dll
by FFmpeg Project
for FFmpeg
FFmpeg container format library
Version: 55.37.102 Verified
Product Version: 2.2.git
Language: U.S. English (1033)
Uploaded: Oct 13, 2025   Size: 205.5KB
SHA256: 488f45b361e8e4c31992c06a11aa7843f7804265698fc69a3310fa53719553fc
SHA1: a63d7d92665a5c45bdd8fae4cfe04118108c07e7
MD5: 9cbe47ae0a77a31c770c68b38f440189
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
avformat-55.dll
by FFmpeg Project
for FFmpeg
FFmpeg container format library
Version: 55.37.102 Verified
Product Version: 2.2.git
Language: U.S. English (1033)
Uploaded: Oct 13, 2025   Size: 197.5KB
SHA256: c068fd091eadd3191e292a0b797571890d810d0464cab463cddaf417f84fbd9b
SHA1: 92944151f5eb38a6e4651e009c1d24dd392dbf06
MD5: c815042fbb6a880f60cec8f6d1ee4820
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD