Click the "Select File" button above, and choose your R04 file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert R04 to another file type
To convert R04 archive parts to another format, you need WinRAR or other Compressed software.
Convert a file to R04
To convert other file formats to the "Split Archive Part" file type, you need software like WinRAR or a similar tool.
About R04 files
The .R04 file is the fourth sequential part of a split multi-volume RAR compressed archive. Users typically create split archives to bypass strict file size limits when sending data via email, uploading to cloud storage, or storing data on FAT32-formatted USB drives. The official software to open and manage these files is WinRAR by RARLAB, though third-party utilities like 7-Zip can also extract them. The primary disadvantage of a .R04 file is its absolute dependency on the rest of the archive sequence. You cannot extract or convert an isolated .R04 file without the primary RAR volume and all preceding parts. Furthermore, the format is proprietary, making native support across operating systems poor without third-party installations. Because of this, users typically want to convert the extracted contents of the complete archive to universally supported formats like ZIP or 7Z. Repackaging into ZIP sacrifices some compression efficiency but ensures the recipient can open the file natively on Windows, macOS, and Linux without installing extra tools. Because this is an incomplete fragment of a proprietary format, direct conversion of a single .R04 file usually fails. Emphasize that often only the original software can properly read or export the data by combining all the split volumes. However, convert.guru can still identify the file format, inspect the file, and show text or internal content. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible. Just drag and drop your file to identify the format, view it, and convert it when possible.
Convert.Guru analyzes your R04 file, detects the exact format, and lets you read the text inside.
If you want to convert R04 file to ZIP, RAR, 7Z, TAR, GZ, BZ2, XZ, LZMA, CAB, ACE, ARJ or LHA, you can use WinRAR or similar software from the "Multi-volume Archive Compression" category. In the File menu, look for Save As… or Export….
To convert XXE, 7Z, Z, PAK, LHA, DEB, UUE, TAR, LZH, ZIP, PKG or RAR files to R04, try WinRAR or another comparable tool in the "Multi-volume Archive Compression" category.
The R04 Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our R04 converter.