Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Hi Patrick,
Thank you for posting your query on Microsoft Community forum. Here is the answer to your questions:
Q1] How many Office 365 E1 (Nonprofit Staff Pricing) free licenses are non profits allowed to use?
Yes, Office 365 E1 (Nonprofit Staff Pricing) free licenses up to 2000 users.
Q2] We also have 300 licenses of Microsoft 365 Business Basic (Nonprofit Staff Pricing). Can we use those for part of the users in our org, along with Office 365 E1 (Nonprofit Staff Pricing) for other users in our org at the same time?
If you received both the subscription license as a free (i.e. Office 365 E1 (Nonprofit Staff Pricing) and Microsoft 365 Business Basic) then you can use both subscription at the same time.
You may please provide us with the detailed screenshot about the subscription status page (Go to the admin center, go to the Billing > Your products page.) and tenant domain (e.g. contoso.onmicrosoft.com) via the private message for further analysis.
Q3] Does every Microsoft 365 Business Basic (Nonprofit Staff Pricing) include MS Windows, if yes which version?
Microsoft 365 Business Basic (Nonprofit Staff Pricing) doesn't included MS Windows.
Q4]What is the difference between Office 365 E1(Nonprofit Staff Pricing) and Microsoft 365 Business Basic (Nonprofit Staff Pricing)
You may refer to the article to compare the features of both subscription, See Compare Microsoft 365 and Office 365 offers for nonprofits
Moreover, I have provided information about billing/nonprofit support in the private message please check the information at your convenience.
Here is the link to access private message: https://answers.microsoft.com/en-us/privatemessage/inbox
Your patience and cooperation are highly appreciated. Have a nice day and stay safe!
Note: Please do not call phone number above that is a known Tech Support SCAM phone number. We have spam reported and deleted that post.
Best regards,
Shyamal