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The messages alongside other data items are put away in a PST file. Microsoft Outlook is a generally used email client and can hold two data files. With the present use of email, you nearly can’t stand to lose a single email so not to mention your whole mail file, Calendar items, and Contacts. For further information, the user can read this blog. I am going to share the best and possible methods to perform this task. So this problem tackling blog will discuss how to to Backup Offline Outlook Data File (.OST. MapiBlockOutlookNonCachedMode seems not working for office 365.Īny viable option/advice to achieve above goal to disable storing all offline cache copies of office 365 emails.? Thanks a lot in advanced.Summary: As we know that Emails stored in Outlook Application are so crucial that we cannot afford to lose an even single mail.
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It gives Set-CasMailbox MailboxName -MapiBlockOutlookNonCachedMode:$falseīut again its only for onpremis-exchange according to this. So was looking for an viable alternative. It will still allow users to save offline copies in outlook/thunderbird etc.
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"Outlook Web App policies" wont disable offline access for outlook/thunderbird etc. The problem lies with outlook and other clients such as thunderbird. This message will appear, which is as expected. If a user tries to enable offline access via As intended It will disable offline storing in Unfortunately it works only for webaccess. What I have tried is I have applied a policy using "Outlook Web App policies" in ourlook 365 via "permissions" -> "Outlook Web App policies" and disabled offline access in the below manner. We are trying to disable storing emails offline. We use different operating systems, such as mac/ubuntu/fedora/widnows to access emails which makes hard to stick to local group policy to block storing offline cache copies. We use outlook 2016, thunderbird and the exchange server is office 365 tenant. My company has a security concern and they have requested to disable storing all offline cache copies of office 365 emails.
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