Save

Stores the scene data in a file. If this is the first time the file is saved, the File Browser appears, prompting you to enter a file name.

Tip: To export only the picked objects to a file, use File > Export > Active As.

Save a file using its current name and location

Choose File > Save.

Note: Save only saves in Alias wire format. To save in other data formats, use Save As.

Save a file with a new name or location

Choose File > Save As.
Use the file browser to specify a name and location for the file, then click Save.

Open, Save and Backup model files