The filename usually refers to a compressed archive containing Pokémon-related data , typically for the first generation of games (Red, Blue, Yellow). In gaming and emulation communities, it is a common shorthand for "Pokémon 01."
Because .7z is a high-compression format, this file might simply be a generic part of a multi-volume set (where the next file would be PKM02.7z). How to Use 7-Zip to Compress Files and Extract Files PKM01.7z
Assembly files or scripts for "Decompilation" projects that allow fans to edit the original game code. The filename usually refers to a compressed archive
Exported markdown files from apps like Obsidian or Notion. Exported markdown files from apps like Obsidian or Notion
.sav files containing specific game progress or "God mode" setups. 2. Project Knowledge Management (PKM)
A collection of PDFs, templates, and guides for organizational use. 3. General Data Archive