G2 Vendor Directory

Mailbird vs. Microsoft

Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.

Mailbird

Sacramento, CA.

Microsoft

Redmond, Washington

MetricMailbirdMicrosoft
Avg. rating3.64.4
Total reviews102103,081
Review growth (QoQ)—-71.5%
Products on G21294
Categories covered2326
Best category rank#22 in Email Client#1 in Business Instant Messaging
Small Business80.6%28.7%
Mid-Market16.3%34.3%
Enterprise3.1%37.1%