Can Office 365 Essentials License Holder use Outlook on another PC with Office 365 Premium License?

Have a  client with a mix of Office 365 Premium and Essentials licenses.

Client asked this question:

UserA has stand-alone Office 2016 license on their PC (so they only have Essentials for email).
UserB has Office Premium license on their PC (full Office Desktop Suite and email).

UserB has left the company and they want to keep the Premium license on the PC and designate it a 'spare'
Can UserB log onto the spare PC and use Outlook to work with his email account?
Can UserB work in Word, Excel, etc.?, or is the entire Office Suite (including Outlook) 'off limits' to UserB?

Seems like a gray area...
Sal SoricePresidentAsked:
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David Johnson, CD, MVPOwnerCommented:
no Office 365 Business Essentials does not include office products
Office 365 Business Premium is licensed per user.
David Johnson, CD, MVPOwnerCommented:
user B can use Computer A as it has the perpetual license which is per machine
Sal SoricePresidentAuthor Commented:
Thanks David!

Just curious - can UserA (Office Essentials email only license) log onto UserB PC (Office Premium license) and use Outlook to access their email account? Or are they limited to the Online Version only?
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David Johnson, CD, MVPOwnerCommented:
yes make them another user on UserB PC, they will have full office access
Jason CrawfordTransport NinjaCommented:
I don't know about that David, it sounds like you're describing a Shared Computer Activation scenario which has specific licensing requirements:

I did a ton of research into this issue when it was first unveiled by Microsoft since our users connected using PCoIP (hosted desktops) and wanted to use Office 365 Pro Plus.  Found out the hard way that the standard Office 365 licensing is not per machine.  Each user get 5 activations they can do whatever they want with except activate twice on the same computer.  They can share the activations with other employees who can activate on their own devices although I highly recommend you don't try to save money this way since all 5 activations will deactivate if the original licensed user is terminated.  Woops.

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Sal SoricePresidentAuthor Commented:
Thanks to you both! Seems like, as long as you understand the caveats, you can cross-utilize Office stand-alone, Premium, Essentials, etc. licenses. Confusing, but definitely made more clear with your help!
Jason CrawfordTransport NinjaCommented:
Glad I could help.  Take care :)
David Johnson, CD, MVPOwnerCommented:
shared computer configuration is when there are 2 or more users with different user accounts that SHARE the same computer.

If you try and run office 365 Proplus on a server that has remote desktop running you will get this error message.

must run VL version
Jason CrawfordTransport NinjaCommented:
I thought a shared computer was the topic of this conversation.  If I was mistaken I apologize; however, OPP can absolutely run on an RDS server as long as it is setup with Shared Computer Activation licensing.  We can agree to disagree if you'd like but I've deployed it successfully and the Technet article I provided states the same.
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