Recently I wrote a few posts about How to Clear the Outlook Auto Complete Cache and How to Fix a problem where the Outlook Auto Complete cache was REALLY slow. BUT, what if you just want to disable the Auto Complete functionality?
The task is simple. Just follow these three easy steps for both Microsoft Outlook 2007 and Outlook 2003.
Update 5/19/2010 – Outlook 2010 Users – Please see the latest update here: – How-to Disable Outlook 2010 Email Auto-Complete.
1. On the Tools menu, click Options.
2. On the Preferences tab, click E-mail Options,
and then click Advanced E-mail Options.
3. Clear the Suggest names while completing To, Cc, and Bcc fields check box.
All done! Just click OK a few times. No need to restart Outlook! Groovy baby!