Save an embedded picture
After you edit a picture by using Microsoft Expression Web, such as by cropping or resizing and resampling the picture, you aren't prompted to save the picture until you save the page. At that time, the Save Embedded Files dialog box lets you choose to either overwrite the original file or save the edited picture to a new file.
To save an edited picture
In a web page which contains an edited picture, on the File menu, click Save.
In the Save Embedded Files dialog box, do the following and click OK:
To do this
Embedded files to save
Select the picture you want to save.
Picture File Type
Change the file type.
Leave the original picture as it is and create a new file for the edited picture.
Leave the original picture as it is and create a new file in a different folder for the edited picture.
Leave the original picture as it is and resize its dimensions instead of cropping it. In the Set Action dialog box, select Don't overwrite the existing file. Make the page refer to the existing file, and then click OK.