Hi Ed,
>> Is there a way to edit email address auto complete to just email addresses within my company?
No. as far as I know. I am afraid that it is not feasible to restrict autocomplete list contents to internal email addresses only using the built-in features in Outlook.
If you have more concerns on this feature and want Microsoft to include it in Outlook, I'd like to encourage you post the idea to the
Outlook UserVoice forum. Microsoft loves hearing all customers' feedback and is committed to improving the users' experience with the products.
Thanks for your understanding and support.
Best regards,
Yuki Sun
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