Should I Use Cached Exchange Mode?
Cached Mode Is Also Very Good for Users with High Latency Connections to Exchange, as Accessing the Local Cache Isolates the User from Delays in Connectivity...
Cached mode is also very good for users with high latency connections to Exchange, as accessing the local cache isolates the user from delays in connectivity to the server. ... You should use cached mode anytime a user must access their mail without network connectivity, such as users who travel.
What happens when you disable cached Exchange Mode?
This cache can sometimes hinder the performance of Outlook. The program will be slower to process changes in the Global Address List, or will be unable to find certain emails when you search for them. If you are experiencing any of these issues, follow the instructions below to turn off Cached Exchange Mode.
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Do you need cached Exchange Mode?
We recommend always using Cached Exchange Mode with an Office 365 account. ... Mailbox data is only cached in memory and never written to disk. Cached Exchange Mode is the preferred configuration in Outlook 2016 and is useful in the following situations: Users who frequently move in and out of connectivity.
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