Reduce e-mail message size by filtering HTML
If you are using HTML format for your e-mail messages, you can reduce the size of the messages by sending them as filtered HTML.
This option is not recommended when you plan to make major changes to your content later in Microsoft Word.
- On the Tools menu, click Options, and then click the General tab.
- Click E-mail Options, and then click the General tab.
- In the HTML filtering options section, click Medium or High to reduce the file size of the message.