: This is likely the internal game ID or abbreviation (often for METAL FUGUE: Last Day or a similarly coded title). NSwTcH : Shorthand for Nintendo Switch.
: The file format used for installing Nintendo Switch digital games and DLC (Nintendo Submission Package). MFLD-NSwTcH-NSP-[5DLCPack]-Ziperto.rar
This file appears to be a compressed archive containing for a specific game, likely distributed via Ziperto. Breakdown of the Filename: : This is likely the internal game ID
: Always ensure you have the base game installed before adding DLC, as the DLC will not work on its own. This file appears to be a compressed archive
: Use a utility like WinRAR or 7-Zip to unpack the .rar file. You will typically find one or more .nsp files inside.
: Use an installation tool such as Tinfoil , DBI , or Awoo Installer to install the NSP files from your PC to your console.
: Indicates that this archive contains five separate pieces of DLC.