Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Personal Email Services

Outlook.com vs GMX Mail

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Outlook.com #2 in Personal Email Services 9.2/10 Free plan Free plan✓ 2 of 3 features Visit Outlook.com
GMX Mail #8 in Personal Email Services 8.4/10 Free plan Free plan✓ 1 of 3 features Visit GMX Mail

Outlook.com leads on 1 check, GMX Mail on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOutlook.com · 9.2/10
  • Free planboth
  • Most featuresOutlook.com · 2 of 3

Outlook.com scores higher on our rubric for personal email services: 9.2 against 8.4 out of 10; our editors rank them #2 and #8.

Outlook.com offers ad-free inbox; GMX Mail doesn't. On platform access, Outlook.com gives you Web_mobile_desktop where GMX Mail offers Web_and_mobile.

Outlook.com is the better fit for people who use Microsoft services. GMX Mail is the better fit for people who want a free, feature-rich mailbox.

  • Outlook.com fits best

    People who use Microsoft services

  • GMX Mail fits best

    People who want a free, feature-rich mailbox

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Outlook.com 9.2/10 Visit ↗ GMX Mail 8.4/10 Visit ↗
At a glance
Editor score 9.2 8.4
Ranking #2 in Personal Email Services #8 in Personal Email Services
Best for People who use Microsoft services People who want a free, feature-rich mailbox
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Desktop, Mobile Cloud, Mobile, Browser extension
Platforms Web, Windows, macOS, iOS, Android Web, iOS, Android, Chrome extension
Integrations 3 integrations 5 integrations
Features Outlook.com 2/3 · GMX Mail 1/3
Custom domain — Not checked yet
Email aliases ✓ ✓
Ad-free inbox ✓ (best) —
Specs
Mailbox storage 100 GB Not checked yet
Attachment limit 25 MB Not checked yet
Platform access Web_mobile_desktop Web_and_mobile
Our review
Pros
  • Free accounts include 15 GB of mailbox storage.
  • Aliases, inbox rules, Focused Inbox, and Sweep help organize email.
  • Connects with OneDrive, Box, and Dropbox for file sharing.
  • 65 GB mailbox storage and attachments up to 50 MB
  • Up to 10 aliases, plus spam and malware filtering
  • Includes PGP encryption, cloud storage, and Online Office
Cons
  • Free accounts have less mailbox storage than the 100 GB paid tiers.
  • Ad-free email and calendar require a Microsoft 365 subscription.
  • Custom domains are not supported.
  • The free service is not ad-free
  • Its broad toolset may be more than a basic email user needs
  • Mail, cloud files, office tools, and calendar sit within the GMX ecosystem
Our verdict

Outlook.com is Microsoft's personal email service, available through a browser and Outlook apps. It brings email, calendar, and contacts together with spam filtering and 15 GB of mailbox storage on the free plan. Focused Inbox, inbox…

Read the review →

GMX Mail is a free personal email service from 1&1 Mail & Media GmbH, aimed at people who want more than a basic inbox without paying for a mailbox. It offers up to 65 GB of storage, attachments up to 50 MB, and up to 10 email aliases.…

Read the review →
  1. Outlook.comPersonal Email Services 9.2Free plan
  2. GMX MailPersonal Email Services 8.4Free plan

Strengths and trade-offs

  • Outlook.com — where it wins

    • Free accounts include 15 GB of mailbox storage.
    • Aliases, inbox rules, Focused Inbox, and Sweep help organize email.
    • Connects with OneDrive, Box, and Dropbox for file sharing.

    Where it doesn't

    • Free accounts have less mailbox storage than the 100 GB paid tiers.
    • Ad-free email and calendar require a Microsoft 365 subscription.
    • Custom domains are not supported.

  • GMX Mail — where it wins

    • 65 GB mailbox storage and attachments up to 50 MB
    • Up to 10 aliases, plus spam and malware filtering
    • Includes PGP encryption, cloud storage, and Online Office

    Where it doesn't

    • The free service is not ad-free
    • Its broad toolset may be more than a basic email user needs
    • Mail, cloud files, office tools, and calendar sit within the GMX ecosystem

More comparisons

All personal email services comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update