1
Microsoft Exchange Online is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
2
In terms of market share, QQ Mail is clearly lagging behind, losing to Microsoft Exchange Online in all segments.
1
Microsoft Exchange Online has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Business & Consumer Services, Heavy Industry & Engineering and 20 other categories.
2
QQ Mail hasn't got a lead over Microsoft Exchange Online in any websites category.
1
Microsoft Exchange Online is leading in most countries, including United States, United Kingdom, Germany, Canada and 161 other countries.
2
QQ Mail is leading in China.