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Head-to-head · Business Email Hosting

Zoho Mail vs Microsoft Exchange Online

  • Updated Sep 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Zoho Mail #1 in Business Email Hosting 9.2/10 Free plan · paid from $1/user/mo (annual) · 15-day trial Free plan✓ 0 of 3 features Visit Zoho Mail

Zoho Mail leads on 1 check, Microsoft Exchange Online on 2, and 0 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreZoho Mail · 9.2/10
  • Free planonly Zoho Mail
  • Most featuresMicrosoft Exchange Online · 1 of 3

Zoho Mail scores higher on our rubric for business email hosting: 9.2 against 8.1 out of 10; our editors rank them #1 and #3.

Zoho Mail offers free plan; Microsoft Exchange Online doesn't. Microsoft Exchange Online leads on mailbox storage: 50 GB versus 5 GB. Microsoft Exchange Online offers shared mailboxes; Zoho Mail doesn't publish it.

Zoho Mail is the better fit for businesses seeking low-cost custom-domain email. Microsoft Exchange Online is the better fit for microsoft-centric organizations.

  • Zoho Mail fits best

    Businesses seeking low-cost custom-domain email

  • Microsoft Exchange Online fits best

    Microsoft-centric organizations

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Side by side

Feature Zoho Mail 9.2/10 Visit ↗ Microsoft Exchange Online 8.1/10 Visit ↗
At a glance
Editor score 9.2 8.1
Ranking #1 in Business Email Hosting #3 in Business Email Hosting
Best for Businesses seeking low-cost custom-domain email Microsoft-centric organizations
Pricing model Free plan + paid Paid
Starting price $1/user/mo Not published
Free plan ✓ (best) —
Free trial — —
Deployment Cloud, Desktop, Mobile Cloud, Browser extension
Platforms Web, Windows, macOS, iOS, Android Web, Windows, macOS, iOS, Android
Support Email, Live chat, Phone, Tickets, Community, Docs · 24/7 Phone, Docs · 24/7
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Zoho Mail 0/3 · Microsoft Exchange Online 1/3
Admin controls Not published Not published
Shared mailboxes Not published ✓ (best)
Archiving & retention Not published Not published
Specs
Mailbox storage 5 GB 50 GB (best)
Aliases included Not published Not published
Security controls Not published Not published
Our review
Pros
  • Free custom-domain email for up to five users
  • Paid Lite plans add mobile and desktop apps and migration assistance
  • Premium adds retention, eDiscovery, S/MIME, and mobile access management
  • 50 GB and 100 GB mailbox options with expanded archive storage
  • Outlook access across desktop, web, and mobile platforms
  • Migration tools, shared mailboxes, DLP, and Microsoft Graph access
Cons
  • Free plan is web-only and limited to 5 GB per user
  • Mail Lite and Mail Premium are billed annually, with no monthly plan
  • IMAP and POP access are available only on paid plans
  • No free plan is available
  • Advanced archive capabilities depend on licensing and administrator enablement
  • Regional pricing and terms vary from the US annual-billing plans
Our verdict

Zoho Mail provides custom-domain email hosting for individuals and organizations, with webmail, native mobile apps, calendars, contacts, and administrative controls. Its options range from a free plan for small teams to paid tiers with…

Read the review →

Microsoft Exchange Online is a cloud-hosted business email and calendaring service for organizations that want custom-domain email within the Microsoft ecosystem. It provides access through Outlook and browsers, with mobile support on iOS…

Read the review →
  1. Zoho MailBusiness Email Hosting 9.2Free plan · paid from $1/user/mo (annual) · 15-day trial
  2. Microsoft Exchange OnlineBusiness Email Hosting 8.1Paid

Strengths and trade-offs

  • Zoho Mail — where it wins

    • Free custom-domain email for up to five users
    • Paid Lite plans add mobile and desktop 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
    • Mail Lite and Mail Premium are billed annually, with no monthly plan
    • IMAP and POP access are available only on paid plans
  • Microsoft Exchange Online — where it wins

    • 50 GB and 100 GB mailbox options with expanded archive storage
    • Outlook access across desktop, web, and mobile platforms
    • Migration tools, shared mailboxes, DLP, and Microsoft Graph access

    Where it doesn't

    • No free plan is available
    • Advanced archive capabilities depend on licensing and administrator enablement
    • Regional pricing and terms vary from the US annual-billing plans
  • Zoho Mail9.2/10 · Free plan · paid from $1/user/mo (annual) · 15-day trial

    Flexible business email, from a limited free tier to paid plans with more storage and controls.

    Visit Zoho MailFull verdict →
  • Microsoft Exchange Online8.1/10 · Paid

    A Microsoft-centered email service with generous mailboxes and administration tools.

    Visit MicrosoftFull verdict →

More comparisons

Guides on business email hosting

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update