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Title: How To: Remove Cached Email Addresses from Outlook
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Audience: Staff / Faculty
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Applies to: Outlook Client
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Category: Communication and Collaboration
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Prerequisites: Access to Outlook
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Problem: Emails are "undeliverable", incorrect Emails addresses
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Description / Summary: Guide on removing cached Email addresses in Outlook that cause "undeliverable" message
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If within Outlook you send an email to an internal email address that you know is valid and get a “undeliverable” message back, you will need to follow these steps:
1. From a new message window in Outlook, begin typing the email address or name of the intended recipient. A drop-down window will appear that is attempting to guess the address that you are looking for.
2. Use the “X” beside the name to remove this entry
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4. You should then be able to type the address of recipient and the correct address should auto-populate in the field
5. With a successful email sent, the correct address should now be cached within your Outlook