Outlook 2016 Export to PST Missing a Lot of Data
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Import/Export is best effort. At best. Last I looked into it, the recommended way (not necessarily the MS way) was to Archive the email to PST. This appears to be the best way to move email out of a profile that I found.
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@dave247 said in Outlook 2016 Export to PST Missing a Lot of Data:
@momurda said in Outlook 2016 Export to PST Missing a Lot of Data:
Seems like it is super easy to migrate off O365.
To what?
Just some generic freebie IMAP based service.
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@scottalanmiller said in Outlook 2016 Export to PST Missing a Lot of Data:
We have an Office 365 account with Outlook 2016 attached and we need to archive the entirety of a mailbox to a PST file. When we do so, the PST is very large, 8GB or bigger. And it gets some stuff. But loads of emails are missing, too.
Outlook is configured to download all, not headers or anything like that. Cached Mode is on, and retention set to all. Slow link detection is off. Folders have been updated.
And yet still, we can go into a folder in the Inbox, and it still says "Click here to download more from Exchange" or whatever. If we click that, email shows up. Navigate away and back, and it is black again. Export it, and it is blank.
How can you get Outlook to get all of the email, not just some?
You can väck up the entire thing, mail, calendar, tasks, via the O365 Exchange Admin area. This is how I do it and it gets everything completely into a PST.
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@obsolesce said in Outlook 2016 Export to PST Missing a Lot of Data:
@scottalanmiller said in Outlook 2016 Export to PST Missing a Lot of Data:
We have an Office 365 account with Outlook 2016 attached and we need to archive the entirety of a mailbox to a PST file. When we do so, the PST is very large, 8GB or bigger. And it gets some stuff. But loads of emails are missing, too.
Outlook is configured to download all, not headers or anything like that. Cached Mode is on, and retention set to all. Slow link detection is off. Folders have been updated.
And yet still, we can go into a folder in the Inbox, and it still says "Click here to download more from Exchange" or whatever. If we click that, email shows up. Navigate away and back, and it is black again. Export it, and it is blank.
How can you get Outlook to get all of the email, not just some?
You can väck up the entire thing, mail, calendar, tasks, via the O365 Exchange Admin area. This is how I do it and it gets everything completely into a PST.
Remember, no access to any admin tools. End user only.
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So caching is turned on, and the slider all all the way to "all"?
You can right-click on the mailbox, or a folder, and in properties, you can see how much data is there versus on the Exchange server.
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@obsolesce said in Outlook 2016 Export to PST Missing a Lot of Data:
So caching is turned on, and the slider all all the way to "all"?
Correct, but it sure doesn't seem to be working.
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@obsolesce said in Outlook 2016 Export to PST Missing a Lot of Data:
You can right-click on the mailbox, or a folder, and in properties, you can see how much data is there versus on the Exchange server.
Most is there, for sure. But definitely not "all".
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Is a Windows box available? Install Veeam's O365v2 backup to a repository. Free for up to 10 users and you will get everything, mailbox and SharePoint. Set it up for the customer and it doesn't give them very many options to mess up.
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@nerdydad said in Outlook 2016 Export to PST Missing a Lot of Data:
Is a Windows box available? Install Veeam's O365v2 backup to a repository. Free for up to 10 users and you will get everything, mailbox and SharePoint. Set it up for the customer and it doesn't give them very many options to mess up.
Yes, we are using Windows from the client's side.
Veeam's O365 can be used from the user perspective? That's super handy!
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@scottalanmiller Unfortunately, there is no "User interface" apart from the admin interface, but there is not a lot to the program except for having a local repo, connecting O365, selecting the user along with a couple of other requirements and hitting start.
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@scottalanmiller said in Outlook 2016 Export to PST Missing a Lot of Data:
We have an Office 365 account with Outlook 2016 attached and we need to archive the entirety of a mailbox to a PST file. When we do so, the PST is very large, 8GB or bigger. And it gets some stuff. But loads of emails are missing, too.
Outlook is configured to download all, not headers or anything like that. Cached Mode is on, and retention set to all. Slow link detection is off. Folders have been updated.
And yet still, we can go into a folder in the Inbox, and it still says "Click here to download more from Exchange" or whatever. If we click that, email shows up. Navigate away and back, and it is black again. Export it, and it is blank.
How can you get Outlook to get all of the email, not just some?
On-premises we'd run the Export-Mailbox PoSh in the Exchange Console. Is there an ability to do that in O365 (all of our hosted mailboxes are third party)?
Another option would be a MAPI sync tool that could do a full pull. EDIT: Veeam is da bomb. :0)
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@phlipelder said in Outlook 2016 Export to PST Missing a Lot of Data:
On-premises we'd run the Export-Mailbox PoSh in the Exchange Console. Is there an ability to do that in O365 (all of our hosted mailboxes are third party)?
Yes, we would, too. We looked into that command. And the answer is "no", O365 doesn't allow that to be run
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@phlipelder said in Outlook 2016 Export to PST Missing a Lot of Data:
Another option would be a MAPI sync tool that could do a full pull. EDIT: Veeam is da bomb. :0)
Yeah, that seems like the best answer.
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Have you tried deleting/clearing out the local cache/.OST file, then letting it rebuild, then export to PST?
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@nerdydad said in Outlook 2016 Export to PST Missing a Lot of Data:
Install Veeam's O365v2 backup to a repository. Free for up to 10 users
I wasn't aware that they had a free options. Thanks for bringing this to my attention!
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That BitTitan product that I ended up using for my migration was da bomb. Maybe check them out as well.
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@scottalanmiller said in Outlook 2016 Export to PST Missing a Lot of Data:
@obsolesce said in Outlook 2016 Export to PST Missing a Lot of Data:
You can right-click on the mailbox, or a folder, and in properties, you can see how much data is there versus on the Exchange server.
Most is there, for sure. But definitely not "all".
Confirm. I got always this end result. This is just best effort. Not complete at all.
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@matteo-nunziati said in Outlook 2016 Export to PST Missing a Lot of Data:
@scottalanmiller said in Outlook 2016 Export to PST Missing a Lot of Data:
@obsolesce said in Outlook 2016 Export to PST Missing a Lot of Data:
You can right-click on the mailbox, or a folder, and in properties, you can see how much data is there versus on the Exchange server.
Most is there, for sure. But definitely not "all".
Confirm. I got always this end result. This is just best effort. Not complete at all.
That's just crappy, especially as Microsoft themselves recommend it.
