Don't allow users to delete their emails

Dear All,

i have office 365 account and i need to create a policy for some mailboxes to restrict them from deleting any email in their mailbox, i need to make it from Exchange online management, not from outlook.

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Matthew BorrussoCommented:
You will need to go into your o365 admin / exchange admin tool.

You are looking for retention policys.

There is a ton of info out there on setting these up. This should answer a few questions for you and point you in the right direction. Also, if its in Office 365, if you are still stuck, you can drop a note to their support. Their Exchange and Lync team is solid, so you should get good information. I had done the same when I was setting up mine, I wish i still have the urls they sent me, they were very informative.

There are also Youtube videos on the subject, I could list them, but you may want to watch a few and then look for customizing in the way you need it to work for your environment.

Good luck.
Matthew BorrussoCommented:
Let me also suggest that you create and work out your kinks with a test user.
These policys dont always work the way you want them to, and you dont want to lose emails for production users..

Happened to me, I used my account and lost tons of emails older than a certain date. I hope my mistake helps you prevent one yourself! :-)

William FulksSystems Analyst & WebmasterCommented:
You need to enable the Litigation Hold feature. Check this out:

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Matthew BorrussoCommented:
I agree with the Expert, litigation hold will do what you need it too.

I think that may be a bit extreme of a measure, I believe retention policy's will allow you to force email retention for specified periods of time, so they may be able to delete something and it will go into the trash, but they will be unable to empty the trash for x amount of years or until archived by an admin.

Either way, you have your options.

Good luck!
Will SzymkowskiSenior Solution ArchitectCommented:
As stated already, Litigation Hold is the only way to force a users to prevent them from deleting emails. You will require to have an Enterprise CAL for this mailbox where you are enforcing the Legal Hold.

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