File → Save (Ctrl+S) or press the Save toolbar button to save the current document. If the document does not have a file, displays the Save As dialog.

File → Save As: Displays the Save As dialog, used to name and save an open document to a file; or save an existing file with a new name.

File → Save To URL or press the Save To URL ... toolbar button to display the Save to URL dialog, used to name and save an open document to a file; or saves an existing file with a new name, using FTP/SFTP/WebDAV.

File → Save All: Saves all open documents. If any document does not have a file, displays the Save As dialog.