How to import data from .ost file

My Outlook client is currently attached to a local exchange server.  I will be disconnecting it and then trying to recover my mail, calendars, contacts to Office 365.  The file that I have is an .OST file and I need to upload it to office 365 Mail Exchange.  Is there a way to do this and get all my data easily?
al4629740Asked:
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JohnBusiness Consultant (Owner)Commented:
You have to convert the OST file to a PST file. The tools to do this are normally paid tools. Try:

http://www.convertosttopst.us/

Can you not export the email from Exchange into a PST file?  This can be done with Exchange.
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al4629740Author Commented:
Long story but we might have a problem with our IT person not being able to assist in that area.  So just in case, I need to find an alternative way without having the ability to access the Exchange console.
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JohnBusiness Consultant (Owner)Commented:
I think the tool I pointed you to will do the job. PST files are proprietary, so not much freeware in this area.
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al4629740Author Commented:
Have you personally use that tool? The one that you referred
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akbCommented:
You can create a PST file on your local PC on Outlook by going to File->Account Settings->Data Files.
Then copy your emails, calendar and contacts to the PST file.
To get them into O365, once you have connected Outlook to O365, simply copy them from the PST file to the O365 account.
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JohnBusiness Consultant (Owner)Commented:
Have you personally use that tool? The one that you referred  <-- A long time back, not recently, but it has a good reputation here and elsewhere.
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rindiCommented:
You don't have to convert your OST file, that is only the cache of your mailbox, which is still on the exchange server. You can export your exchange mailboes to PST files, or use archiving which will also create PST files. Just forget the OST file and rather work with exchange.
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JohnBusiness Consultant (Owner)Commented:
Agree about using Exchange. I posted that in my first post here.  But al4629740 is looking at the alternative in case it is needed.
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al4629740Author Commented:
You can create a PST file on your local PC on Outlook by going to File->Account Settings->Data Files.
Then copy your emails, calendar and contacts to the PST file.

So basically I would export all my info to a pst file and then import it into O365?
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al4629740Author Commented:
Just to reiterate, I won't be able to use exchange itself in any way other than connect to it with an outlook client.  That being said, does it seem that exporting or converting .ost file would be the best choice?
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al4629740Author Commented:
On a side note, what information is needed in order to make a migration from the Exchange admin console?  Admin credentials only?
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JohnBusiness Consultant (Owner)Commented:
Thanks. And as far as I know, you only need Admin Credentials to make the above migration.
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