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Bulk change contacts in O365. Change display name to Last, First instead of First Last

Posted on 2014-10-08
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Last Modified: 2014-10-09
I have 4000+ contacts I've imported into a customers O365 environment using a csv file and PowerShell. The custome now wants them all listed with Lastname, Firstname as their display name. I can do it for a single user with the following command:
set-contact "John Watson" -displayname "Watson, John"

How can I accomplish this for all of the contacts at once?

something like?
set-contact firstname lastname -displaymane lastname "," firstname

Thanks for the help!
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Question by:Dave Sherrill
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Dave Sherrill earned 0 total points
ID: 40370576
I figured it out, thanks for all of your help and comments
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