How to open .NUPKG files on Linux
To open .NUPKG files on Linux, rename a copy of the file from .nupkg to .zip (it is a ZIP container).
Step-by-step instructions
- Rename a copy of the file from .nupkg to .zip (it is a ZIP container).
- Use your archive manager or unzip to extract and inspect the contents; the .nuspec manifest is inside the package.
Common issues
“Windows can’t open this file” / double-click does nothing useful
A .nupkg is a ZIP-based NuGet package and usually isn’t associated with a default app for double-click viewing.
- Rename a copy of the file from .nupkg to .zip.
- Open/extract the .zip with a ZIP tool and inspect the contents (including the .nuspec manifest).
Package contents are hard to understand after extraction
NuGet packages contain code and metadata intended for NuGet tooling; manually browsing can be confusing without checking the manifest.
- Locate and open the .nuspec file inside the extracted package to read the package metadata (id, version, description, dependencies).
- If you are trying to use the package in a .NET project, prefer consuming it through NuGet rather than copying files manually.
Renaming to .zip fails to open or extraction errors occur
The download may be incomplete/corrupted, or the file may not actually be a valid NuGet package.
- Re-download the .nupkg from the original source and try renaming/extracting again.
- If you created the package yourself, recreate it with NuGet tooling and then inspect the newly produced .nupkg.
Security note
A .nupkg is a ZIP archive and can contain compiled code meant to be referenced by your application; treating it as “just data” can be risky if you later build/run code that depends on it.