Earn 20 points
Microsoft Exchange Online is ranked 5th in Email Applications with 26 reviews while Open-Xchange is ranked 11th in Email Applications. Microsoft Exchange Online is rated 8.6, while Open-Xchange is rated 0.0. The top reviewer of Microsoft Exchange Online writes "Reduces maintenance, has zero downtime and is fairly reliable". On the other hand, Microsoft Exchange Online is most compared with G Suite Enterprise, Zimbra Collaboration, Kerio Connect, IceWarp and CodeTwo Exchange Rules, whereas Open-Xchange is most compared with Microsoft Exchange, Zimbra Collaboration, G Suite Enterprise, IceWarp and Zarafa.
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