This usually means one of the parts (like part3) was interrupted during download. You will likely need to redownload that specific part.

Update 1.14 also brought significant changes to the 2v1 multiplayer mode, BATTLEMODE 2.0 . This included: Improved Matchmaking:

The ".part3.rar" suffix indicates that the complete update was too large for a single file and was split into multiple parts.

Update 1.14 for DOOM Eternal on Switch typically requires firmware 13.0.0 or higher and the base game.

To use these files, a user typically needs all parts present in the same folder to "unpack" the full update. 2. Key Improvements and Performance Tweaks The 1.x series of updates for DOOM Eternal

Files with names like "DOOM Eternal -NSP--Update 1.14-.part3.rar" are commonly seen on torrent sites, forums, and file-sharing services. They typically indicate a multi-part RAR archive that claims to contain a game (DOOM Eternal) in a console-mod or pirate format (NSP) plus an update. Here's a concise breakdown of what that filename implies, risks, and safe alternatives.

It looks like you’ve shared part of a filename for — specifically a split .rar archive (part 3) that appears to contain an NSP file and an update (v1.14).