How popular isMicrosoft 365 in search?

Q: Who owns Microsoft 365?

Microsoft 365 is owned by Microsoft. Brandwave also tracks Microsoft Copilot, GitHub Actions, GitHub Copilot, Microsoft Clarity, Microsoft Designer, Microsoft Dynamics 365, Microsoft Dynamics 365 Business Central, Microsoft Entra, Microsoft Forms, Microsoft Power BI, Microsoft Teams and Microsoft Visio, owned by the same company, worldwide.

In August 2026, there were an estimated 13.7M branded searches for Microsoft 365 worldwide which is down 47.4% over the last 11 months. Microsoft 365 holds 60.3% estimated Share of Search among business email providers worldwide and is ranked 1st of 5 competitors for search popularity. Worldwide · English terms: these are worldwide searches for English-language branded terms.

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Which business email providers compete with Microsoft 365?

Microsoft 365 against business email providers worldwide, by month

Month	Microsoft 365	Proton Mail	Zoho Mail	Google Workspace	Fastmail
Oct 2025	75.2%	9.7%	9.7%	4.9%	0.51%
Nov 2025	75.4%	11.1%	7.4%	5.6%	0.48%
Dec 2025	71.5%	12.9%	8.6%	6.4%	0.55%
Jan 2026	71.3%	13.8%	7.6%	6.7%	0.59%
Feb 2026	73.2%	11.6%	7.8%	6.9%	0.5%
Mar 2026	71.2%	13.8%	7.6%	6.8%	0.59%
Apr 2026	67.3%	14.8%	9.9%	7.4%	0.52%
May 2026	68.6%	15.1%	8.3%	7.4%	0.64%
Jun 2026	63%	16.8%	11.3%	8.2%	0.72%
Jul 2026	58.2%	19%	12.7%	9.3%	0.81%
Aug 2026	60.3%	18.1%	12.1%	8.7%	0.78%
Sep 2026	—	—	—	—	—

Rank	Brand	Share of Search	Estimated monthly branded searches	vs prior month	Share change
1, held 1st	Microsoft 365 Microsoft	60.3%	13.7M	+9%	+2.1 points
2, held 2nd	Proton Mail	18.1%	4.1M	+<0.01%	-0.9 points
3, held 3rd	Zoho Mail Zoho	12.1%	2.7M	-<0.01%	-0.6 points
4, held 4th	Google Workspace Google	8.7%	2M	-0.91%	-0.5 points
5, held 5th	Fastmail	0.78%	176K	+0.09%	0 points

1.Microsoft 365
60.3%
held 1st · 13.7M estimated branded searches · +9% vs prior month · +2.1 points
2.Proton Mail
18.1%
held 2nd · 4.1M estimated branded searches · +<0.01% vs prior month · -0.9 points
3.Zoho Mail
12.1%
held 3rd · 2.7M estimated branded searches · -<0.01% vs prior month · -0.6 points
4.Google Workspace
8.7%
held 4th · 2M estimated branded searches · -0.91% vs prior month · -0.5 points
5.Fastmail
0.78%
held 5th · 176K estimated branded searches · +0.09% vs prior month · 0 points

Compare search popularity between Microsoft 365 and its closest rivals

How has branded search demand for Microsoft 365 changed worldwide over the last 12 months?

3 findings

Across the 11 months ending August 2026, estimated monthly branded searches for Microsoft 365 worldwide fell from 26M to 13.7M.
Across the 11 months ending August 2026, Microsoft 365’s estimated Share of Search among business email providers worldwide decreased from 75.2% to 60.3%.
Across the 11 months ending August 2026, Microsoft 365’s estimated Share of Search among business email providers worldwide peaked at 75.4% in November 2025 and was lowest at 58.2% in July 2026.

How did search popularity change for business email providers worldwide in August 2026?

4 changes

In August 2026, Microsoft 365 gained estimated Share of Search among business email providers worldwide, from 58.2% to 60.3%.
In August 2026, Proton Mail lost estimated Share of Search among business email providers worldwide, from 19% to 18.1%.
In August 2026, Zoho Mail lost estimated Share of Search among business email providers worldwide, from 12.7% to 12.1%.
In August 2026, Google Workspace lost estimated Share of Search among business email providers worldwide, from 9.3% to 8.7%.

How is Microsoft 365 measured?

Brandwave collects information about searches that people make online using Microsoft 365’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

9 branded search terms