Extension NavigatorFILE EXTENSION LIBRARY
日本語
Home›Archives›.r00
THE FILE FIELD GUIDE
.r00

Legacy RAR Volume

Archives

R00 is a legacy RAR volume, commonly following the first .rar and preceding .r01. Collect the complete set and extract from its first volume.

Main use
Continue a legacy multi-volume RAR archive
Data type
Binary data
All sections, questions and sources

Content reviewed： · Editor：Kai

Opening steps

Choose your environment or purpose to see its steps.

WinRAR or another multi-volume RAR extractor

Preserve the original and inspect a working copy in a compatible application.

  1. Gather the initial .rar and numbered volumes.
  2. Open the first volume in a compatible extractor.
  3. Extract the set into a new directory.
Inspect the received file and its requirements

Establish dependencies and settings before proceeding.

  1. Distinguish part1.rar from legacy .r00 naming.
  2. Compare the publisher’s volume list and sizes.
  3. Ask whether a password is required.

Menu labels and support vary by app, OS and version. Preserve the original before making changes.

Troubleshooting by symptom

  • Missing next volume: obtain the requested file.
  • No initial volume: check for the .rar file.
  • Password error: check credentials with the publisher.
  • Corruption: check mixed sets or incomplete transfers.

Complete RAR volume set → extracted payload

  1. Keep the set, extract from its first volume and verify contents.
  2. Reopen the output and check it against the preservation points in this guide before handoff.

Renaming R00 to ZIP does not make it self-contained.

Treat all volumes as one archive

Later volumes are not independent ZIP-like archives; recovery records are not guaranteed.

Source for these steps：RARLAB · What is a RAR file / 7-Zip · 7-Zip formats and features

Worked example: checks before handoff

Example: place archive.rar, archive.r00 and archive.r01 together and start with archive.rar.

Source for these steps：RARLAB · What is a RAR file / 7-Zip · 7-Zip formats and features

Related-format differences

Related-format differences
Format / methodPurpose and preserved information
.r00Continue a legacy multi-volume RAR archive
001 / RARAnother split convention / RAR archive.
Complete RAR volume set → extracted payloadRenaming R00 to ZIP does not make it self-contained.

Handling and security

Verify source, password provenance and extracted contents.

Questions and answers

Is R00 always first?

The legacy sequence commonly starts with .rar.

Select every volume?

Point the extractor to the first volume.

Recover missing volumes?

Recovery is not guaranteed; retrieve missing data.

Format facts: name, steward and MIME type
Formal name
Legacy RAR Volume
Steward / specification
RARLAB
MIME type
Consult the producer or delivery system. The extension alone does not establish a MIME type.

Primary and official sources

  • Software documentationWhat is a RAR file

    Extracting a complete volume set from its first volume.

    RARLAB · Link checked：
  • Software documentation7-Zip formats and features

    Split files, LZH and other extraction support.

    7-Zip · Link checked：