1.
Note your file size (File, Info, Properties)
2.
If in Compatibility Mode, Convert
3.
If there is video or audio, Compress Media to Low Quality
4.
Click a picture to activate Picture Tools tab
5.
Click Compress Pictures
6.
Deselect Apply only to this picture. Select E-Mail (96 ppi).
Click OK
7. Click Save 8. See how much you compressed!