Outlook in cached mode not updating

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Are all calendars downloaded as the user opens Outlook ?Or is the download in the OST of Shared Calendars done on access basis only?So in conclusion, the calendar update (for cached mode) or calendar access (for online mode) occurs only when the user clicks on the calendar or switches from the “Mail” view to the “Calendars” view.Companies using Exchange Server are often confused around whether they should run cached mode or online mode on their Outlook clients.

You should use cached mode anytime a user must access their mail without network connectivity, such as users who travel.

You should also use it for any users in an office with intermittent network connectivity, or whose network latency between client and server is typically high, like those with satellite or radio-based connectivity.

Online mode maintains a connection to the Exchange CAS server for all access to the mailbox and reads from the GAL.

Exchange mail accounts by default use cached exchange mode, which makes Outlook store your recent messages and contacts on your computer for easier access.

Outlook periodically updates the local file, adding new messages and archiving older ones.

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