What are DIFF files and how to open them
Are you having problems opening a DIFF file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.
What is a DIFF file?
DIFF files have multiple uses, and Difference is one of them. Read more about the other uses further down the page.
Files that contain the .diff file extension are most commonly used for difference data files. The DIFF files contain the patch script information for the difference data files saved with the .diff file suffix. These files are used to show the differences between two different files, such as the difference between a former and later file version.
These logged changes in a DIFF file are shown via per-line changes for text files, and the output can be applied using a Unix program patch. This is why files with the .diff file extension are sometimes referred to as "patch" files.
How to open DIFF files
Important: Different programs may use files with the DIFF file extension for different purposes, so unless you are sure which format your DIFF file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested three different DIFF openers which you will find listed below.
Last updated: February 24, 2023
All known file formats using extension .DIFF
While Difference File is a popular type of DIFF-file, we know of 2 different uses of the .DIFF file extension. Different software may use files with the same extension for different types of data.
Magic Lantern DIFF Animation
We know that one DIFF format is Magic Lantern DIFF Animation. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
Various apps that use files with this extension
These apps are known to open certain types of DIFF files. Remember, different programs may use DIFF files for different purposes, so you may need to try out a few of them to be able to open your specific file.
Help us help others
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