---
title: "Outlook vs Proton Mail: Which is searched more?"
description: "Which is more popular in search, Outlook or Proton Mail? Compare estimated monthly branded-search demand and Share of Search inside the Email providers set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/global-en/compare/outlook-vs-proton-mail"
publisher: "Brandwave"
---

# Outlook vs Proton Mail: Which is searched more?

Which is more popular in search, Outlook or Proton Mail? Compare estimated monthly branded-search demand and Share of Search inside the Email providers set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Compared**: Outlook and Proton Mail
- **Competitive set**: Email providers
- **Market**: Global
- **Month measured**: Sep 2026
- **Outlook Share of Search**: 23.7%
- **Proton Mail Share of Search**: <0.01%

## Which is more popular in search, Outlook or Proton Mail?

- In September 2026, Outlook had more branded searches than Proton Mail among email providers worldwide. Outlook was estimated to have 155M branded searches compared to Proton Mail’s 320, and held a 23.7% Share of Search versus Proton Mail’s <0.01%.
- Outlook was ahead of Proton Mail in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Outlook’s estimated Share of Search among email providers worldwide moved from 23% to 23.7%, and its estimated monthly branded searches moved from 154M to 155M.
- Across the 12 months ending September 2026, Proton Mail’s estimated Share of Search among email providers worldwide held steady at <0.01%, and its estimated monthly branded searches moved from 140 to 320.

## How did search popularity change for email providers worldwide in September 2026?

- In September 2026, Outlook lost estimated Share of Search among email providers worldwide, from 24.8% to 23.7%.
- Estimated monthly branded searches for Proton Mail worldwide rose 128.6% over 12 measured months, from 140 to 320 in September 2026.

## Month by month

| Month | Outlook estimated searches | Outlook Share of Search | Outlook rank | Proton Mail estimated searches | Proton Mail Share of Search | Proton Mail rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 154M | 23% | 2 | 140 | <0.01% | 5 |
| Nov 2025 | 154M | 25.9% | 2 | 140 | <0.01% | 5 |
| Dec 2025 | 154M | 25.9% | 2 | 140 | <0.01% | 5 |
| Jan 2026 | 155M | 26% | 2 | 170 | <0.01% | 5 |
| Feb 2026 | 139M | 24.8% | 2 | 170 | <0.01% | 5 |
| Mar 2026 | 155M | 23.1% | 2 | 210 | <0.01% | 5 |
| Apr 2026 | 155M | 23.1% | 2 | 170 | <0.01% | 5 |
| May 2026 | 155M | 26% | 2 | 170 | <0.01% | 5 |
| Jun 2026 | 140M | 24.1% | 2 | 210 | <0.01% | 5 |
| Jul 2026 | 128M | 23.2% | 2 | 210 | <0.01% | 5 |
| Aug 2026 | 140M | 24.8% | 2 | 260 | <0.01% | 5 |
| Sep 2026 | 155M | 23.7% | 2 | 320 | <0.01% | 5 |

## How each brand is measured

Brandwave collects information about searches that people make online using Outlook’s and Proton Mail’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.

- **Outlook**: Measured on the search terms “hotmail”, “outlook” and “outlook email”, summed into one figure.
- **Proton Mail**: Measured on the search term “email proton mail”.

- [Outlook profile](/demand/global-en/brands/outlook)
- [Proton Mail profile](/demand/global-en/brands/proton-mail)
- [All email providers worldwide](/demand/global-en/categories/email-providers): The set both shares are measured inside, 5 brands.

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which is more popular in search, Outlook or Proton Mail?

In September 2026, Outlook had more branded searches than Proton Mail among email providers worldwide. Outlook was estimated to have 155M branded searches compared to Proton Mail’s 320, and held a 23.7% Share of Search versus Proton Mail’s <0.01%.

## Cite this page

Brandwave. "Outlook vs Proton Mail: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/outlook-vs-proton-mail

This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/outlook-vs-proton-mail. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.