R01 File Extension

WinRAR Split Archive Part 1
- File Type r01
- Developer RARLAB
- Popularity
- Application WinRAR
- Category Compressed Files
- Format Binary
What is a R01 file?
The R01 file extension is linked to WinRAR Split Archive Part 1 and belongs to the Compressed Files category, which includes 820 files.
The WinRAR Split Archive Part 1 (R01), created by win.rar GmbH, is one of file format they developed, and they also built 2 programs to support them.
R01 files are supported by Windows, Mac OS and Linux. When working with R01 files, you can rely on 11 programs, including WinRAR, StuffIt Expander and 7-zip.
Programs that support R01 files
How to open a R01 file?
If you can’t open a R01 file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
The most popular programs for working with R01 files are WinRAR, StuffIt Expander and 7-zip. To install the latest version of WinRAR on your computer, visit the win.rar GmbH website where you can download the version available for all operating systems.
After completing the installation, R01 files should be recognized by the system and linked to WinRAR.
Set WinRAR as the default R01 handler
Changing the default program in Windows
- Right-click on your R01 file, then choose the "Open with" option and select "Choose another application" from the available options;
- In the pop-up window, find and select the WinRAR application from the available options;
- Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening R01 files.
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired R01 file to launch the file options menu;
- Select "Open in application" and click "Other";
- In the lower section of the window, you’ll find the "Enable" menu, with "Recommended Programs" pre-selected as the default option;
- Select "All Programs" in this menu, and then search for WinRAR. Check the box next to "Always open in app" to make sure it’s the default option.
How to edit a R01 file?
To edit R01 files, you need to install specialized software that allows you not only to open but also to modify compressed files. Online R01 editors usually provide fewer features than software created specifically for WinRAR Split Archive Part 1.
Best R01 editors in 2026
Taking the above factors into account, we have selected a list of R01 editors currently available.
| R01 Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| File Roller | SourceForge | Linux | 4.9 out of 5 (40 reviews) |
| PeaZip | Giorgio Tani | Windows | 4.8 out of 5 (38 reviews) |
| Xarchiver | SourceForge | Linux | 4.4 out of 5 (41 review) |
| WinRAR | win.rar GmbH | Windows | 4.3 out of 5 (40 reviews) |
Effective solutions for R01 file problems
While R01 files can sometimes present difficulties, most problems can be resolved quickly with minor software modifications. Check the tips below to help solve them.
What are the warning signs that my R01 file may be corrupted?
Corrupted R01 compressed files may have one or more of the following symptoms:
- Error messages appear during the course of working with the file;
- Poor performance when editing a file in WinRAR;
- The file does not open or opens with errors;
- Unexplained increase in R01 file size;
- File hangs or crashes in WinRAR or other programs;
Why does WinRAR crash?
WinRAR crashes can be caused by outdated software. Keep your win.rar GmbH products up to date by installing the latest updates.
Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.
How to repair a corrupted R01 file?
Use WinRAR, RAR Password Recovery or Advanced RAR Repair to open the damaged R01 file and from the menu, choose "Repair" function to start the repair process. Then wait for the recovery process to complete, which allows you to automatically repair corrupted compressed files.














