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dubilava
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Joined Sep 07, 2022
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OST file large size
Hello, I have Exchange Hybrid deployment. "User A" is migrated to the cloud. "User A's" actual mailbox size on exchange online is 80GB. I want to configure outlook cache mode ALL and when I do it the OST file of "User A" grows 190GB and outlook stops working. "User A" has not auto-mapped shared mailbox and the office version is 2019. I tried: 1. Registry key "MaxLargeFileSize" 500GB - no luck 2. Uncheck "Download shared folders" in account settings - no luck What could be the reason for the OST file growing to 190GB? Thank you!993Views0likes0Comments
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