Create your own custom callouts by importing an image file (.bmp, .gif, .png, or .jpg) into the Custom Callout Manager. Use custom callouts to:
1. In the Task List, select Callouts.
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3. Click the Custom Callouts button.
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5. Enter a Description to appear in the Type dropdown.
6. Select an image file. If the custom callout is symmetrical, select the Vector grow option.
7. Click OK.