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Paul Walsh

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Exchange Onlie PUblic Folders

Hi All,

We may be moving from Exchange 2010 on prem  to Exchange online. We have a number of public folders, mostly are mail enabled and used for generic correspondence from outside customers. With that in mind I have a couple of questions:
1. Are there any specific licence requirements for using public folders. All of our users that we will be movng to O365 will have a business basic licence, will this cover it? (I know that shared mailboxes dont need a licence, but anyone who accesses them does, is this the same for public folders? I have read they require a P2 licence, is this just for the user accessing them, or per public folder?
2. When we migrate the public folder, will users who havent been moved online still be able to view/ interact with the public folders? Does this also work in reverse, ie. O365 users can still view/use public folders still on prem?
3. In general is it better/easier to migrate the public folder like for like (stay public folders in the cloud), or convert them to shared mailboxes?

Thanks for your help,
Paul

Avatar of Vasil Michev (MVP)
Vasil Michev (MVP)
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1) No specific license requirements, apart from needing a mailbox
2) Depends on how you migrate them, and whether the permission entries will be preserved/mapped to the ExO mailbox users
3) Depends on your needs, integrations, etc. PFs have been dead for years now, no new investments are being made there, so you might use this opportunity to move to a more modern platform. Microsoft prefers that you move them to Office 365 Groups, though those lack some basic features compared to Shared mailboxes... but again it boils down to what you need.
Avatar of Paul Walsh
Paul Walsh

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Hi Vasil,

Ok so now would be a good opportunity to move to shared mailboxes if I am reading you correctly. With that in mind then as long as a user has an O365 licence that includes Exchange they can use the shared mailbox, is that correct? What about on prem users accesing a shared mailbox online?

Cheers,
Paul
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Avatar of Vasil Michev (MVP)
Vasil Michev (MVP)
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