The File tab contains options for working with your files.

New File (Ctrl + N): Select this option to begin a new mesh file. The currently opened file will be closed, you will be prompted to save any unsaved changes.

Open File (Ctrl + O): Select this option to open an existing mesh file. The current opened file will be closed, you will be prompted to save any unsaved changes if there are any.

Close File (Ctrl + W): Select this option to close the current file. This option will prompt you to save any unsaved changes.

Save File (Ctrl + S): Select this option to save the current file. This option will keep the current file open.

Save As (Ctrl + Shift + S): Select this option to save the currently opened file to a new file. The currently opened file will become the new file.

File Properties: Select this option to view the properties of the currently opened mesh file.

Exit (Alt + F4): Select this option to exit MeshMagic.