A daily updated filename extension database!

SID file extension

The table below provides useful information about the .sid file extension. It answers questions such as:

  • What is the .sid file?
  • What program do I need to open a .sid file?
  • How can the .sid file be opened, edited or printed?
  • How can I convert .sid files to another format?

We hope you find this page helpful and a valuable resource!

2 extension(s) and 1 alias(es) found in database

✅ Commodore 64 Music

Commodore 64 Music .sid file icon
SID file is a Commodore C-64 music file. SID either refers to the Sound Interface Device (the chip that produced music and SFX on the C-64), and the music produced by the chip.
Category: Audio files
Application: Sidplay 2
Mime-type: audio/x-sid
Magic number: -
Magic string: -
Sample: -
SID aliases:
SID related links:
SID related extensions:
X-Tracker Music Module

Farandole Composer Music Module

Impulse Tracker Music Module

OctaMED Music Module

MIDI Music

MultiTracker Music Module

Noise Tracker Music Module

Oktalyzer Music Module

Real Tracker Module

Scream Tracker Module

✅ Steam Game Backup Data

Steam Game Backup Data .sid file icon
SID file is a Steam Game Backup Data. Steam is a digital distribution, digital rights management, multiplayer and communications platform developed by Valve Corporation.
SID format description not yet available
Category: Data files
Application: Steam
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SID aliases:
SID related links:
SID related extensions:
Steam Game Cache File

Steam Game Backup Metadata

Steam Game Backup Info

Valve Steam Client Registry Data

Steam Package Data

Valve Steam Compressed Game Resource

Steam Guard Data

Valve Steam Data File

Valve Steam Cache Data

✅ Multi-resolution Seamless Image Database

Multi-resolution Seamless Image Database .mrsid file icon
MRSID file is a Multi-resolution Seamless Image Database. MrSID is a wavelet-based image compression technology which can utilise both lossy and lossless encoding. This technology was acquired in its original form from Los Alamos National Laboratories (LANL), where it was developed under the aegis of the U.S. government for storing fingerprints for the FBI. Now is is developed and distributed by the LizardTech, Inc.
Category: Graphic files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
MRSID aliases:
sdw, sid
MRSID related links:
MRSID related extensions:
MrSID Level 8 Image

Other types of files may also use the .sid file extension.

🔄 .sid converters

The following softwares are capable of converting .sid files to other formats:


For example, using the softwares above, a .sid file can be converted into one of the following formats:

pmg, p64, lbm, ppt, pcp, tap, prn, jpe, pxa, afl, dng, mic, spc, psf, prf

🚫 The .sid file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cid, eid, id, isd, sd, sdi, si, sic, sie, sif, sir, sis, siv, siw, six

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

InstallShield Dialog
ElmerSolver Command File
Max Payne Model Skin Data
Intuit Quicken Order Data
SIXEL Bitmap
MDL Molfile Data
ArcGIS Service Definition Data
Powersim Studio Simulation Run File
Carlson 2016 Super Elevation Diagram Data
Altair FEKO Calculated Field Distribution Data

🔴 Can't open a .sid file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .sid file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .sid file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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