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Office 365 large mailbox folder management

Posted on 2014-12-21
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Last Modified: 2014-12-22
I'm converting a client to Office 365. We are using Office 365 Business Essentials plan.
One of the owners has a very large amount of data in regards to folder contents and size.
There is about 17GB on his current Imap server.
The inbox has been broken down into semi-annual archive folders (just a label, not the actual Outlook archive folder.pst).
i.e., 2010a Archive, 2010b Archive. This is to accommodate the 25,000 item per folder on his current mail server.
Each Archive is around 2GB.

I'm planning on putting all this mail up to office 365 so that he can continue to see it from his various devices (W7pc at office, 2 ipads, iPhone, iMac at home, OWA.

My question is "Does it matter how I put the various folders on the server?"
For example would it hurt to put all the folders under Inbox? Should I make a separate "archive" folder at the root level of his mailbox, then add the archives under there?

I just don't want to run into an issue where he hits some sort of limit that will affect his mailbox in the form of receiving, recovering deleted items, or anything else I may be overlooking.

Thanks,
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Question by:bwierzbicki
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VB ITS earned 500 total points
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In theory this should be fine as the maximum number of messages per folder in Office 365 Business Essentials is 900,000. The maximum mailbox size is set to 50GB so you still have a fair way to go there as well.

If you have any other questions regarding limitations in O365 Business Essentials then I suggest you have a read of this article as it gives a fairly comprehensive overview: http://technet.microsoft.com/en-au/library/exchange-online-limits.aspx

Folder structure wise I would just keep it as it is in case the user complains about it being "different". I've always told my clients that at the end of the day the folder structure they use in Outlook is completely their choice as some people choose to store their items differently to others (because it helps them manage/find things easier or whatever).
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