Convert R01 to 7Z

Understanding r01 and 7z file formats

R01 files are part of a multi-volume archive created by WinRAR or similar archiving tools. These files are typically used to split large archives into smaller, more manageable parts, with extensions like .r00, .r01, .r02, etc. To access the contents, you need all parts of the archive.

7Z is a modern compressed archive format developed by 7-Zip. It offers high compression ratios and supports strong AES-256 encryption. 7Z files are widely used for efficient storage and sharing of large files or collections of files.

How to convert r01 to 7z

To convert an R01 archive to a 7Z file, you must first extract the contents from the multi-part RAR archive and then re-compress them into a 7Z archive. Direct conversion is not possible; extraction and re-archiving are required.

Step-by-step conversion process

1. Ensure you have all parts of the RAR archive (e.g., .rar, .r00, .r01, etc.) in the same folder.
2. Use an extraction tool like WinRAR or 7-Zip to extract the files:
   • With WinRAR: Right-click the .rar or .r01 file and select Extract Here or Extract to [folder].
   • With 7-Zip: Right-click the .rar or .r01 file and choose 7-Zip → Extract Here or Extract to "[folder]".
3. After extraction, select the extracted files or folder.
4. Right-click and choose 7-Zip → Add to archive....
5. In the dialog, set Archive format to 7z and adjust compression settings as desired.
6. Click OK to create your new 7Z archive.

Recommended software for conversion

• 7-Zip (Windows, free): Handles both extraction of RAR multi-part archives and creation of 7Z files.
• WinRAR (Windows, paid with trial): Extracts RAR archives; use 7-Zip for 7Z creation.
• The Unarchiver (macOS, free): Extracts RAR archives; use Keka to create 7Z files.

Summary

Converting R01 to 7Z involves extracting the multi-part RAR archive and re-compressing the contents into a 7Z file. 7-Zip is the best free tool for both steps on Windows.