How to convert your GRP file
- Click the "Select File" button above, and choose your GRP file.
- You'll see a preview.
- Click the "Convert file to..." button to save your file in the format you want.
Convert GRP to another file type
The converter easily converts your GRP file to various formats - free and online. No Notepad or extra software needed.
- GRP to SYS
- GRP to DLL
- GRP to EXE
- GRP to DRV
- GRP to VXD
- GRP to 386
- GRP to COM
- GRP to BAT
- GRP to CMD
- GRP to SCR
- GRP to PIF
- GRP to LNK
Convert a file to GRP
The converter also works in reverse, so you can convert other Game formats to GRP with high quality output.
- MSI to GRP
- EXE to GRP
- REG to GRP
- MST to GRP
- LNK to GRP
- CAB to GRP
- CAT to GRP
- DRV to GRP
- INF to GRP
- SYS to GRP
- MSU to GRP
- DLL to GRP
About GRP files
A .GRP file is primarily known as a Group Archive, a proprietary container format used heavily in gaming engines like the Dagor Engine (used by Gaijin Entertainment for Crossout and War Thunder) and the classic Build Engine (used in Duke Nukem 3D). These files function like standard ZIP folders but are encoded specifically to package game assets - such as sprite graphics, sound effects, and level data - into a single efficient block. Users typically encounter these files when attempting to mod games or extract nostalgic assets, only to find them inaccessible to standard archivers like WinRAR or 7-Zip. Another variation includes legacy Windows 3.x Program Manager Group files, which are now obsolete and unreadable by modern operating systems. To access the contents of a game .GRP file, the best workflow is converting the archive to ZIP or extracting specific assets directly to PNG (for textures) or WAV (for audio). For legacy Windows group files, converting to TXT allows you to recover the configuration data in a human-readable format.
Convert.Guru analyzes your GRP file, detects the exact format, and lets you read the text inside.
Users also converted QRP, BIN, BLK, ZIP, PDF, XLSX, DWG, SIG, TXT and ENC files.
The GRP 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 GRP converter.