Unable to extract Fisheye due to error "This is the first disk in a backup set, please insert the last disk of this set"

Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.

Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.

*Except Fisheye and Crucible

Symptoms

When unzipping a Fisheye/Crucible *.zip file, the following message is prompted:

1 "This is the first disk in a backup set, please insert the last disk of this set"

Cause

Using an incompatible compression tool to extract the *.zip file such as the Windows built in extractor leads to the error message above.

Resolution

Extract the downloaded zip file with the following recommended unzip tools:

Updated on April 11, 2025

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