Open


Application button - Open/Close/Save/Save as

Shortcut key Ctrl + O

Open your document. A path list appears on the left. Select the file format you want to open - see New document for a table of file formats.
You can also select All supported files, to open different document types at the same time.

Close

Shortcut key Ctrl + F4

Closes the current document. Asks whether you want to save it.

Save

Shortcut key Ctrl + S

Saves the current document. See also Windows - close all.

Save as...

Shortcut key Ctrl + Shift + S

Allows you to save the file in a different name and/or to a new location.

You can also save the file in an older version.