Microsoft Outlook vs Newton:Which is more popular?
In September 2026, Microsoft Outlook had more branded searches than Newton among email clients worldwide. Microsoft Outlook had about 1.2 million branded searches, while Newton had 720. Microsoft Outlook made up 83.1% of all email client searches we track, and Newton accounted for 0.05%. When we asked ChatGPT and Google AI Overviews about email clients, Microsoft Outlook appeared in all five answers and Newton in none.
Who do people search for more?
Microsoft Outlook, about 1694 searches for every 1 for Newton
Who does AI mention more?
Microsoft Outlook, mentioned in every answer we collected
Who does AI recommend more?
Microsoft Outlook, the only one of the two named
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Top email clients in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Microsoft Outlook appeared in all five answers. Newton did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Microsoft Outlook1st
Apple Mail2nd
Thunderbird3rd
Spark4th
Proton Mail5th
Superhuman6th
Airmail–
Newton–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Microsoft Outlook5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Apple Mail5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Spark4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Thunderbird4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Superhuman3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Proton Mail3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Airmail0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Newton0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about email clients
5 answers
Asked ChatGPT
“Which email client should I use?”
Asked ChatGPT
“What are the best email clients?”
Asked ChatGPT
“What's the best email client for daily email management?”
Searched Google, AI Overview
“email client”
Searched Google, AI Overview
“best email app”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Microsoft Outlook or Newton more popular in search?
This chart shows how often people search Google for Microsoft Outlook and Newton by name. Each line represents a brand's share of searches for all eight email clients we track, month by month, from English-language searches worldwide.
Share of searches by month for Microsoft Outlook, Newton. The figures are in the table below the chart.
View monthly share of searches table
| Month | Microsoft Outlook | Apple Mail | Spark | Thunderbird | Superhuman | Airmail | Newton | Proton Mail |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 86.7% | 7.8% | 1.3% | 2% | 1.1% | 1.1% | 0.04% | <0.01% |
| Nov 2025 | 84.8% | 9.3% | 1.3% | 2% | 1.5% | 1% | 0.06% | <0.01% |
| Dec 2025 | 81.6% | 11% | 1.5% | 2.5% | 1.7% | 1.5% | 0.11% | <0.01% |
| Jan 2026 | 84.1% | 9.2% | 1.2% | 2.6% | 1.8% | 1% | 0.06% | <0.01% |
| Feb 2026 | 86.4% | 7.8% | 0.85% | 2.3% | 1.9% | 0.7% | 0.06% | <0.01% |
| Mar 2026 | 85.7% | 7.7% | 1% | 2.4% | 2.3% | 0.85% | 0.05% | 0.01% |
| Apr 2026 | 84.4% | 7.6% | 1.3% | 2.9% | 2.7% | 1% | 0.11% | 0.01% |
| May 2026 | 84.9% | 7.7% | 1.3% | 2.6% | 2.7% | 0.85% | 0.05% | 0.01% |
| Jun 2026 | 85.1% | 7.7% | 1.5% | 2.1% | 2% | 1.3% | 0.25% | 0.01% |
| Jul 2026 | 83.5% | 9.2% | 1.5% | 2.6% | 2.1% | 1% | 0.08% | 0.02% |
| Aug 2026 | 83.8% | 9.3% | 1.5% | 2.4% | 1.6% | 1.3% | 0.05% | 0.02% |
| Sep 2026 | 83.1% | 9.2% | 2.8% | 2% | 1.8% | 1% | 0.05% | 0.02% |
How has the Microsoft Outlook and Newton comparison changed over the last 12 months?
3 findings
- Microsoft Outlook was ahead of Newton in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Microsoft Outlook’s share of searches among email clients worldwide moved from 86.7% to 83.1%, and its estimated monthly branded searches moved from 1.8M to 1.2M.
- Across the 12 months ending September 2026, Newton’s share of searches among email clients worldwide moved from 0.04% to 0.05%, and its estimated monthly branded searches moved from 880 to 720.
How did search popularity change for email clients worldwide in September 2026?
2 changes

In September 2026, Microsoft Outlook lost share of searches among email clients worldwide, from 83.8% to 83.1%.

Estimated monthly branded searches for Newton worldwide fell 18.2% over 12 measured months, from 880 to 720 in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Microsoft Outlook’s and Newton’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Microsoft Outlook
1 branded search term
- microsoft outlook
Newton
1 branded search term
- newton mail
Other head-to-heads among email clients

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