If you weren't looking for a game mod, your query might relate to:
: Once the files are in the correct folder, you can select the new story from the "New Game" or "Story" menu within House Party. Other Possible Matches 4 party.rar
: Resources for hosting a Toy Story 4 themed birthday party , including printable party packs and activity pages. If you weren't looking for a game mod,
: A multiplayer game (often seen in "Steam Rolled" videos) where four players control narwhals trying to pop each other's hearts. Toy Story 4 Themed Birthday Party - All Things With Purpose Toy Story 4 Themed Birthday Party - All
To play custom stories (which often have filenames like "story_name.rar"), you need to use the provided by Eek! Games.
It looks like you might be searching for a specific file or mod related to the game .
: Use a program like WinRAR or 7-Zip to extract the contents of the .rar file.