I have three animations in a blend file. If I try importing from Unity only one of the animations is in the file. How can I get the rest? Thank you in advance!
You don’t. You make a single, long animation with all of the actions the character will need. Keep a record of the start and end frames for each action. You separate them into different animations during import into Unity.
Use action editor in blender, then you have every animation as separated animation so you may use even one from file on an character 