A common question with new vintage Macintosh users is "why cant I unstuff this .sit file!" - I've started a resource to help users determine what type of file they have and some options on what they can do (or cant do) with that file.
I call in "What the SIT!":
https://bluescsi.com/what-the-sit
Made with @bbedit ;)
If you love broken .sit files you can show your love with @mac84tv's .sit happens shirt - https://shop.mac84.net/products/sit-happens