How many companies use Microsoft 365 vs Rackspace?

3,821,433 companies use Microsoft 365 and 77,146 companies use Rackspace in our database. Microsoft 365 is more widely adopted with 49.5x more companies than Rackspace.

Can I get a list of companies using both Microsoft 365 and Rackspace?

Yes. AgentData tracks companies using both tools. Sign up free to access the full list with emails, tech stacks, and contacts via CSV or API.

Microsoft 365 vs Rackspace

Microsoft 365 is used by 3,821,433companies — 49.5x more than Rackspace (77,146).

3,821,433 use Microsoft 36577,146 use Rackspace

Side-by-side comparison

	Microsoft 365	Rackspace
Companies	3,821,433	77,146
Category	Webmail	Other

Company adoption

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