Opening REJ Files

The REJ file type is primarily associated with Git.

REJ	File extension: REJ
	File type:	rejected patch text file

What is a REJ file?

REJ files mostly belong to Git. REJ files are files that contain a rejected patch. They are created when a patch operation, often run by version control systems like Git, fails to apply some or all of its changes.
When a patch does not match the target file exactly, the tool writes the differences to a REJ file. This file includes the patch hunks that were not merged automatically.
Key details as outlined by FilExt.com include:

Failed Patch Data: It holds the parts of a patch that were rejected.

Tool Generated: Git and similar tools create it when conflicts occur.

Manual Review: Users can inspect the file to understand what did not integrate.

Plain Text: You can open it with any basic text editor such as Notepad or VSCode.

FilExt.com tip: For more information on patch operations, visit the Git SCM website.

How to open REJ files

You need a suitable software like Git to open a REJ file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your REJ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a REJ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online REJ Text Viewer

Choose your .rej file to view

or drag and drop it here

Online File Viewer

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How to extract texts from REJ files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

If you want to extract texts from REJ file or capture a screenshot, you can use our free Online REJ File Viewer:

To do this, click the button "Choose your .rej file to view" on this page.
Your REJ file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Download the converted file.

Programs that open and convert REJ files:

Git
See the previous paragraphs to learn more about the main application. REJ files are often referred to as Git developers because this type of file is primarily created or used by this software.
Energo (Registration (Rejestracja)) by ZUI TechSoft
[Polish site] This file is data collected and logged during power line monitoring.
Git rejected files
REJ files are rejected files (usually hunks patches but not only), describing "failing" merges; you certainly need to look into them. When ever you get those files after merge you will manually have to edit them, fix them and then apply them back. This file format is classified as Developer. Related links: Git doc
UNIX
There are patches that the patch command could not apply. Typically lower case on *nix systems.

Technical Data for REJ File Extension

File classification:

Developer

Related files:

patch, diff, orig, tmp, rejg, re], exe, tbd, bak, log

Related links:

Git doc

Mime type:

text/x-patch

a rej rejected patch text file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with REJ files

Associate the REJ file extension with the correct application.
Update your software that should actually open rejected patch text files. Because only the current version supports the latest REJ file format. Search, therefore, e.g. on the manufacturer website after an available Git update.
To make sure that your REJ file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .REJ file online - secure, fast, and no downloads needed.