Click on the File Menu, select Save As (or use the Save As tool on the toolbar).
Saves your file to disk. Use Save in and File name to find the directory where you want the file saved.
To save the file as a different type, use Save as type. Click the arrow and a list of file types drops down. Move the cursor to the one you want and click again. When you save, the file will be converted to this new type.
If Show options dialog is checked, an additional dialog is automatically shown for the file types ECW, GIF, ICO, JP2, JPG, JPM, LDF, LWF, PBM, PGM, PNG, PPM, RAW and TIFF for choosing and setting special options.
Click Save to send the file to your disk drive. To exit without saving, click Cancel.
Note that Save As comes up in the last directory in which you saved a file. Save comes up in the last (actual) directory from which you loaded an image.