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Head-to-head · Personal Email Services

Outlook.com vs Zoho Mail

  • Updated Oct 2026
  • Both researched from official sources
  • 6 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
Zoho Mail #5 in Personal Email Services 8.7/10 Free plan · 15-day trial Free planFree trial✓ 0 of 3 features Visit Zoho Mail

Outlook.com leads on 1 check, Zoho Mail on 1, and 4 are even. Who comes out ahead on the 6 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
  • Free trialonly Zoho Mail
  • Most featuresOutlook.com · 2 of 3

Outlook.com scores higher on our rubric for personal email services: 9.2 against 8.7 out of 10; our editors rank them #2 and #5.

Outlook.com leads on mailbox storage: 100 GB versus 5 GB. Zoho Mail leads on attachment limit: 30 MB versus 25 MB.

Outlook.com is the better fit for people who use Microsoft services. Zoho Mail is the better fit for affordable custom-domain email for small teams.

  • Outlook.com fits best

    People who use Microsoft services

  • Zoho Mail fits best

    Affordable custom-domain email for small teams

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 ↗ Zoho Mail 8.7/10 Visit ↗
At a glance
Editor score 9.2 8.7
Ranking #2 in Personal Email Services #5 in Personal Email Services
Best for People who use Microsoft services Affordable custom-domain email for small teams
Pricing model Free plan + paid Free plan + paid
Starting price — $1/user/mo
Free plan ✓ ✓
Free trial — 15 days
Deployment Cloud, Desktop, Mobile Cloud, Desktop, Mobile
Platforms Web, Windows, macOS, iOS, Android Web, Windows, macOS, iOS, Android
Features Outlook.com 2/3 · Zoho Mail 0/3
Custom domain — Not checked yet
Email aliases ✓ (best) Not checked yet
Ad-free inbox ✓ (best) Not checked yet
Specs
Mailbox storage 100 GB (best) 5 GB
Attachment limit 25 MB 30 MB (best)
Platform access Web_mobile_desktop Not checked yet
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.
  • Free plan supports one domain and up to five users
  • Paid Mail Lite plans add calendar, apps, and migration assistance
  • Premium adds retention, eDiscovery, S/MIME, and mobile access management
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.
  • Free plan is web-only and limited to 5 GB per user
  • Free availability is restricted to selected data centers
  • Mail Lite and Premium require annual billing
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 →

Zoho Mail provides business email hosting for organizations and individuals that want custom-domain addresses, with plans ranging from a free webmail tier to paid options with apps and administrative features. It also brings calendar,…

Read the review →
  1. Outlook.comPersonal Email Services 9.2Free plan
  2. Zoho MailPersonal Email Services 8.7Free plan · 15-day trial

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.

  • Zoho Mail — where it wins

    • Free plan supports one domain and up to five users
    • Paid Mail Lite plans add calendar, apps, and migration assistance
    • Premium adds retention, eDiscovery, S/MIME, and mobile access management

    Where it doesn't

    • Free plan is web-only and limited to 5 GB per user
    • Free availability is restricted to selected data centers
    • Mail Lite and Premium require annual billing

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