moving OUTLOOK Calendar dat PST OST


I need to copy/move all calendar data from and Outlook PST to a an (Office365) Outlook OST
Calendar data in the PST is at least for the last 5 years (from 2010 to 2015) (sometime older)

What is the easiest/best way to do that?

Thank you
Who is Participating?
Sumit Singh ShekhawatTechnical Solutions ConsultantCommented:
Browse your calendar from PST, from the view option arrange your calendar view by category or list.
Now you can use shift + down arrow 'or' ctr+a to select all entries from the PST calendar. move them to your OST calendar..
If you are using Outlook 2013 / 2010

Open Outlook 2013 / 2010

1.  Select File Tab

2.  Click Open & Export, then select Import/Export.

3.  In the Import and Export Wizard window, select Import from another file or location.

4.  Select Outlook Data File (.pst) from the list of file types.

5.  Click Browse to navigate and select the .pst file.  Browse to .pst file

6.  Select Replace duplicates with items imported, then click Next.

7.  Select Replace Duplicates with Items Imported

8. Select Include subfolders and Import Items into the current folder, then click Finish
Vincent BurtonCommented:
The above suggested steps looks good to accomplish this task.

If not yet You may try this:

- Export the calendar contents in Outlook to an Outlook Data File (.PST file)
- Connect Outlook to the user's Office 365 account in a new profile
- Import the contents of the PST file into the new Office 365 profile

Hope it helps you!!
gadsadAuthor Commented:
thank you
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