--- title: "Fastmail vs Outlook: Which is searched more?" description: "Is Fastmail or Outlook more popular in search? 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/fastmail-vs-outlook" publisher: "Brandwave" --- # Fastmail vs Outlook: Which is searched more? Is Fastmail or Outlook more popular in search? 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**: Fastmail and Outlook - **Competitive set**: Email providers - **Market**: Global - **Month measured**: Sep 2026 - **Fastmail Share of Search**: 0.05% - **Outlook Share of Search**: 23.6% ## Is Fastmail or Outlook more popular in search? - In September 2026, Outlook had more branded searches than Fastmail among email providers worldwide. Outlook had about 155.2 million branded searches, while Fastmail had 301,000. Outlook made up 23.6% of all email provider searches we track, and Fastmail accounted for 0.05%. - Outlook was ahead of Fastmail in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Fastmail’s share of searches among email providers worldwide moved from 0.02% to 0.05%, and its estimated monthly branded searches moved from 165K to 301K. - Across the 12 months ending September 2026, Outlook’s share of searches among email providers worldwide moved from 22.9% to 23.6%, and its estimated monthly branded searches moved from 154M to 155M. ## Top email providers in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Fastmail and Outlook were each mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Outlook was listed before Fastmail in every answer that named either. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Gmail | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Proton Mail | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Outlook | 3rd | 3 of 3 | 0 of 2 | 3 of 5 | | Fastmail | 4th | 3 of 3 | 0 of 2 | 3 of 5 | | iCloud | 5th | 3 of 3 | 0 of 2 | 3 of 5 | | Zoho Mail | 6th | 1 of 3 | 0 of 2 | 1 of 5 | | Yahoo Mail | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about email providers - Asked ChatGPT "Which email provider should I use?": 1. Gmail, 2. Proton Mail, 3. Outlook, 4. Fastmail, 5. iCloud - Asked ChatGPT "What are the best email providers?": 1. Gmail, 2. Outlook, 3. Proton Mail, 4. Fastmail, 5. iCloud, 6. Zoho Mail - Asked ChatGPT "What's the best email provider for personal email?": 1. Gmail, 2. Proton Mail, 3. Outlook, 4. Fastmail, 5. iCloud - Searched Google, AI Overview "secure email service": 1. Proton Mail, 2. Gmail - Searched Google, AI Overview "email service": named none of the brands we track Not named in any answer: Yahoo Mail. Brands are listed in the order each answer named them. The answers were collected in the United States on October 19, 2026. ## How did search popularity change for email providers worldwide in September 2026? - In September 2026, Outlook lost share of searches among email providers worldwide, from 24.8% to 23.6%. - Estimated monthly branded searches for Fastmail worldwide rose 82.4% over 12 measured months, from 165K to 301K in September 2026. ## Month by month | Month | Fastmail estimated searches | Fastmail Share of Search | Fastmail rank | Outlook estimated searches | Outlook Share of Search | Outlook rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 165K | 0.02% | 6 | 154M | 22.9% | 2 | | Nov 2025 | 135K | 0.02% | 6 | 154M | 25.9% | 2 | | Dec 2025 | 135K | 0.02% | 6 | 154M | 25.9% | 2 | | Jan 2026 | 165K | 0.03% | 6 | 155M | 26% | 2 | | Feb 2026 | 135K | 0.02% | 6 | 139M | 24.7% | 2 | | Mar 2026 | 165K | 0.02% | 6 | 155M | 23% | 2 | | Apr 2026 | 135K | 0.02% | 6 | 155M | 23% | 2 | | May 2026 | 165K | 0.03% | 6 | 155M | 26% | 2 | | Jun 2026 | 165K | 0.03% | 6 | 140M | 24% | 2 | | Jul 2026 | 165K | 0.03% | 6 | 128M | 23.1% | 2 | | Aug 2026 | 165K | 0.03% | 6 | 140M | 24.8% | 2 | | Sep 2026 | 301K | 0.05% | 6 | 155M | 23.6% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using Fastmail’s and Outlook’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. - **Fastmail**: Measured on the search term “fastmail”. - **Outlook**: Measured on the search terms “hotmail”, “outlook” and “outlook email”, summed into one figure. - [Fastmail profile](/demand/global-en/brands/fastmail) - [Outlook profile](/demand/global-en/brands/outlook) - [All email providers worldwide](/demand/global-en/categories/email-providers): The set both shares are measured inside, 7 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Fastmail or Outlook more popular in search? In September 2026, Outlook had more branded searches than Fastmail among email providers worldwide. Outlook had about 155.2 million branded searches, while Fastmail had 301,000. Outlook made up 23.6% of all email provider searches we track, and Fastmail accounted for 0.05%. ## Cite this page Brandwave. "Fastmail vs Outlook: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/fastmail-vs-outlook This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/fastmail-vs-outlook. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.