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How to Clear the Outlook Cache

Delete Microsoft Outlook's cached data

By Heinz Tschabitscher Heinz Tschabitscher Writer University of Vienna A former freelance contributor who has reviewed hundreds of email programs and services since 1997. lifewire's editorial guidelines Updated on June 20, 2022 Reviewed by Jon Fisher Reviewed by Jon Fisher Wichita Technical Institute Jonathan Fisher is a CompTIA certified technologist with more than 6 years' experience writing for publications like TechNorms and Help Desk Geek. lifewire's editorial guidelines Tweet Share Email Tweet Share Email MS Office Outlook Word Excel Powerpoint

What to Know

Seeing removed Outlook items? This happens when add-ins are removed/reinstalled, contacts are deleted, or software is reinstalled.In the Run dialog box, enter %localappdata%\Microsoft\Outlook and press Enter. View and delete files in the RoamCache folder. This article explains how to delete Microsoft Outlook's cache and how to clear the auto-complete cache. Instructions apply to Outlook 2019, 2016, 2013, 2010, and Outlook for Microsoft 365.

Delete the Outlook Cache

Removing the cache in Outlook doesn't delete emails, contacts, or other useful information. Outlook automatically makes new cache files when you open it. Save any work and close Outlook. Press Windows key+R. In the Run dialog box, enter %localappdata%\Microsoft\Outlook and press Enter. Double-click the RoamCache folder to view the cache files. Back up the cache files to another folder or external hard drive so that you can restore the files if something goes wrong. To delete the cache files, press and hold the Shift key while selecting all of the files. Then press the Delete key, or right-click the highlighted files and select Delete. If you're prompted to confirm the deletion, press Yes.

Clear Auto-Complete Cache

If you only want to clear the auto-complete cache, either turn off auto-complete so the cached data doesn't display or delete the auto-complete cache completely. Go to the File tab and choose Options. In the Outlook Options dialog box, select the Mail tab. To turn off autocomplete, go to the Send messages section. Uncheck the box next to Use Auto-Complete List to suggest names when typing in the To, Cc, and Bcc lines. If you want to clear the auto-complete cache without disabling the feature, select Empty Auto-Complete List. In the confirmation dialog box, select Yes. In the Outlook Options dialog box, select OK. FAQ How do I delete an address from my autocomplete list in Outlook? To delete an address from your Outlook autocomplete list, open a new message, enter the name in the To field, then highlight the name in the autocomplete list and select X. In Outlook Online, go to the View Switcher and select People, choose a contact, select Edit, then delete the address. How do I permanently delete emails in Outlook? To delete emails in Outlook permanently, select the message and press Shift+Delete, then select Yes to confirm. To permanently delete Deleted Items folder contents, right-click the folder and select Empty Folder.
How do I automatically empty the trash in Outlook? To empty the trash in Outlook automatically, go to File > Options > Advanced > Empty Deleted Items folders when exiting Outlook. Was this page helpful? Thanks for letting us know! Get the Latest Tech News Delivered Every Day Subscribe Tell us why! Other Not enough details Hard to understand Submit More from Lifewire How to Clear Cache in Windows 11 How to Clear Your iPhone Cache How to Delete an Address From the Outlook Autocomplete List How to Clear Cache Data on Your Android How to Clear the Cache in IE11 How to Export Emails From Outlook How to Fix Outlook Search When It's Not Working How to Purge Deleted Outlook Email How to Clear Cookies for a Specific Site How to Clear Cache on an iPad How to Forward an Email as an Attachment in Outlook How to Streamline Conversations in Outlook Forward Multiple Emails Individually in Outlook How to Delete Temporary Internet Files in Internet Explorer How to Clear the Cache on Xbox One Consoles How to Clear the Cache on a Fire TV Stick Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Cookies Settings Accept All Cookies