Turning it off and on again wont do anything except except re-connect their outlook to an already broken cache. "Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. The information store could not be opened." Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

Turning Off Cached Exchange Mode in Outlook

To additionally complicate things, the OAB on the server is by default generated once per day, at midnight. Depending on the size of your organization and changes to default settings, it could take days before a new user can make its way into the OAB and onto your local copy. When I disable cached mode and restart outlook I see the new address fine. But when I restore cached mode and restart outlook it's missing again. I have went through all the settings in the exchange manager and everything is pointing properly, but the CEM (cached mailbox not updating on IMAP exchange mode) consistently provides old data that doesn't seen to exist.

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You cannot use Cached Exchange Mode with a POP or IMAP account. If Outlook is stuck in Offline recreate Outlook profile step by step mode, see Work offline in Outlook. Shared folders include Exchange Public Folders, SharePoint folders, or another person's Exchange folders when you're using Delegate Access.

• Visit the Technology Help Desk Support page to locate your local campus contact information or to submit an online technology support request.
• Your Exchange admin should be able to configure the time interval between updates for your Offline address book downloads.
• Step 3 - Select the mailbox you would like to edit and select the change button.
• By default, when Cached Exchange Mode is turned on, a local copy of shared folders is downloaded to your computer.
• Use Cached Exchange Mode to work with items in your Microsoft 365 or Microsoft Exchange Server mailbox even when your network connection is slow or unavailable.
• In this mode, a copy of your mailbox is saved on your computer.
• Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

Want more options?

By default, when Cached Exchange Mode is turned on, a local copy of shared folders is downloaded to your computer. Step 4 -This will bring up an option where you can change the amount of cached mail or a check box to turn it off. Separately (maybe), he also can’t delete anything out of his delete messages. Visit the Technology Help Desk Support page to locate your local campus contact information or to submit an online technology support request. For password issues you must call or visit the Help Desk in person. Step 3 - Select the mailbox you would like to edit and select the change button.

Clearing the Outlook Cache

When a new email address is added to our company's Exchange server it doesn't show up immediately on my Outlook, and I suspect that it's because of the "cached mode". Cached Exchange Mode enables a better experience when you use an Exchange account. In this mode, a copy of your mailbox is saved on your computer.

Why isn't the Cached Exchange Mode option available?

By default, 12 months of your email is available offline, but you can control how much mail is kept offline. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Make sure outlook is closed and rename the folder to something else - Outlook-bad is usually enough. Open forum for Exchange Administrators / Engineers / Architects and everyone to get along and ask questions.

Outlook: Turning off Cached Exchange Mode in Outlook Desktop App for Windows

So I guess my main question is how can I nuke the hell out of all the cached exchange data, including the offline address book and rebuild everything. I have researched it a bit and found some file distribution services exchange shell commands but nothing concrete yet. Your Exchange admin should be able to configure the time interval between updates for your Offline address book downloads. It's possible that you're looking for the new users before your interval period has expired.

Turn Cached Exchange Mode on or off

If none of these steps resolve the issue, you may need to contact Microsoft support for Outlook OST vs PST repair further assistance. It's also possible that there's an issue with client-server communication such that OAB downloads aren't happening. In the worst case, export the mailbox content to pst and create a new mailbox.