What percentage of G2.com reviewers also looked at Outlook?

Only 6% of companies that reviewed G2.com also evaluated Outlook, indicating the two are rarely part of the same purchasing decision.

Which product drew more reviews from Engineering teams?

G2.com had 295 reviewers from Engineering & IT, compared to 179 for Outlook.

How many companies reviewed only one of these two products?

659 companies reviewed G2.com without evaluating Outlook, while 488 companies reviewed Outlook without assessing G2.com.

G2.com vs Microsoft Outlook: who evaluates each

Updated October 20, 2026

In our data, 40 companies have people who reviewed both G2.com and Microsoft Outlook: 6% of the 699 companies whose people reviewed G2.com, and 8% of the 528 that reviewed Microsoft Outlook.

G2.com

Companies: 699
Contacts: 796
Countries: 78

See which companies use G2.com →

Microsoft Outlook

Companies: 528
Contacts: 567
Countries: 49

See which companies use Microsoft Outlook →

How many companies evaluated both

G2.com only: 659; companies
Both: 40; companies
Microsoft Outlook only: 488; companies

Only 40 companies evaluated both G2.com and Microsoft Outlook, suggesting limited direct comparison between them. Most buyers of each product reviewed it independently: 659 companies assessed G2.com alone, while 488 companies evaluated Outlook without looking at G2.com.

Who reviews each, by team

G2.com and Microsoft Outlook, in contacts
	G2.com	Microsoft Outlook
Sales	446%	438%
Marketing	516%	254%
Engineering & IT	29537%	17932%
Operations & Finance	9712%	8816%
Consulting & Analysis	10613%	8715%
Leadership	8210%	6311%
Other	12115%	8214%

G2.com drew more reviewers from Engineering & IT (295 reviewers) and Consulting & Analysis (106 reviewers), whereas Outlook attracted a larger review base in Marketing (25 reviewers) and balanced reviews across other functions.

What else they compared

Companies that reviewed G2.com also reviewed

Companies that reviewed Microsoft Outlook also reviewed

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Frequently asked questions

What percentage of G2.com reviewers also looked at Outlook?: Only 6% of companies that reviewed G2.com also evaluated Outlook, indicating the two are rarely part of the same purchasing decision.
Which product drew more reviews from Engineering teams?: G2.com had 295 reviewers from Engineering & IT, compared to 179 for Outlook.
How many companies reviewed only one of these two products?: 659 companies reviewed G2.com without evaluating Outlook, while 488 companies reviewed Outlook without assessing G2.com.

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