Rename and image file
To give an image a descriptive name, do the following:
1. Find the image file in your computer or portable drive.
2. Right click on the image.
3. Select the Rename option in the context menu
4. Type a descriptive name and press Enter
Attach an image in Outlook
1. Go to the Insert tab in the Outlook ribbon
2. Select the Insert File option
3. Within the dialogue, navigate to the image file and select it.