Preservation in place sounds great, but it doesn’t satisfy many companies’ need to manage and secure preserved data for compliance.
Office 365’s Preservation-in-place simply places an administrative “hold” on email data. You need to put the whole mailbox on hold, and it remains within the Microsoft Office 365 cloud. That’s not ideal for many companies who need to know they have control over this data, and worse for companies who need to prove “chain of custody,” i.e. who has had access to preserved email data. Office 365 does provide for journal capture, so you can utilize a compatible archiver to capture this data and preserve it outside of the Microsoft cloud, where you can verify its security and prove custody.
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