Brandwave

How popular isMicrosoft 365 in search?

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 73.5% estimated Share of Search among email hosting providers worldwide and is ranked 1st of 5 competitors for search popularity. These are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. Microsoft 36573.5%
  2. Zoho Mail14.8%
  3. Google Workspace10.6%
  4. Fastmail0.95%
  5. Proton0.18%
Microsoft 365 website (opens in a new tab)

Follow Microsoft 365 and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Which email hosting providers compete with Microsoft 365?

Microsoft 365 against email hosting providers worldwide, by month

Share of Search by month for Microsoft 365, Zoho Mail, Google Workspace. The figures are in the table below the chart.

View monthly share of search table
MonthMicrosoft 365Zoho MailGoogle WorkspaceFastmailProton
Oct 202583.2%10.8%5.4%0.56%0.11%
Nov 202584.7%8.4%6.3%0.53%0.12%
Dec 202582%9.9%7.4%0.63%0.15%
Jan 202682.6%8.8%7.8%0.68%0.13%
Feb 202682.7%8.8%7.8%0.57%0.13%
Mar 202682.6%8.8%7.9%0.69%0.13%
Apr 202678.9%11.6%8.7%0.62%0.14%
May 202680.7%9.7%8.7%0.76%0.14%
Jun 202675.6%13.5%9.8%0.87%0.16%
Jul 202671.7%15.7%11.4%1%0.19%
Aug 202673.5%14.8%10.6%0.95%0.18%
Sep 2026—————
  1. Held 1st. 13.7M estimated branded searches, +9% vs prior month. Share +1.8 points.

  2. 2.Zoho Mail

    14.8%

    Held 2nd. 2.7M estimated branded searches, -<0.01% vs prior month. Share -0.9 points.

  3. Held 3rd. 2M estimated branded searches, -0.91% vs prior month. Share -0.8 points.

  4. 4.Fastmail

    0.95%

    Held 4th. 176K estimated branded searches, +0.09% vs prior month. Share -0.1 points.

  5. 5.Proton

    0.18%

    Held 5th. 33.1K estimated branded searches, 0% vs prior month. Share 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?

  • 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 email hosting providers worldwide decreased from 83.2% to 73.5%.
  • Across the 11 months ending August 2026, Microsoft 365’s estimated Share of Search among email hosting providers worldwide peaked at 84.7% in November 2025 and was lowest at 71.7% in July 2026.

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

  1. In August 2026, Microsoft 365 gained estimated Share of Search among email hosting providers worldwide, from 71.7% to 73.5%.

  2. In August 2026, Zoho Mail lost estimated Share of Search among email hosting providers worldwide, from 15.7% to 14.8%.

  3. In August 2026, Google Workspace lost estimated Share of Search among email hosting providers worldwide, from 11.4% to 10.6%.

Where does Microsoft 365 compete?

Microsoft 365 is ranked in three competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of SearchRanking
Business email providers1st of 560.3%Show ranking
Email hosting providers1st of 573.5%Shown above
Document collaboration platforms1st of 581.5%Show ranking

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

  • business email microsoft 365
  • email microsoft 365
  • microsoft 365
  • microsoft 365 app
  • microsoft 365 business email
  • microsoft 365 email
  • microsoft 365 software
  • microsoft365
  • office 365

How the Brand Demand Index is measured

Do you work for Microsoft 365? To request corrections or removal please contact us via our support page and we will be happy to assist.

Creator with pink hair and a pink jacket

Is Microsoft 365 your brand?

Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.