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- 1). Press the "BlackBerry" button, then select "Setup."
- 2). Open "Email Setup." Wait for your email accounts page to open.
- 3). Select the email address you want to enable the signature for. Press the "Menu" button and select "Edit."
- 4). Scroll to the "Signature" field. Type "Message sent from a BlackBerry." Press "Menu" and then "Save." Some email accounts will require you to enter your password to confirm. Type it in and press "Save" if yours does.
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