Paul O'Brieneverything email Subscribe

Zoho Mail vs Microsoft 365 Business

In short: Zoho Mail wins on privacy, Zoho Mail wins on price, and Microsoft 365 Business wins on features. The full comparison is below, last checked 22 October 2026.

Zoho Mail or Microsoft 365 Business: which should you choose?

  • Zoho Mail suits you best if you want a provider with no advertising business behind it; to pay less: $1 per user a month, yearly; and a free plan to start on.
  • Microsoft 365 Business suits you best if you want more space for your mail: 50 GB.
FeatureZoho MailMicrosoft 365 Business
Overall3.02.5
Privacy1.51.0
Price5.02.5
Features4.55.0
Cheapest planMail Lite
$1 per user a month, yearly
Business Basic
£5.40 per user a month, yearly, ex VAT
Free planYes, up to 5 users, 5 GB, own domainNo
Storage5 GB50 GB
Your own domain✓ Yes✓ Yes
End-to-end encryptionNoNo
Company based in India United States
Your data is kept in EU (Amsterdam, Dublin); UK data centre announced for 2026, not confirmed live UK data centres for UK tenants (London, Cardiff, Durham)
Founded20082011
Free trial15 days free, and a free plan for small teamsOne month free on some plans
Funded by advertisingNoYes, or its parent company is
Works in any mail app✓ IMAP and SMTP✓ IMAP and SMTP
Calendar and contacts✓ Yes✓ Yes
AliasesYesYes
Open-source appsNoNo
Sign up without IDNoNo
White labelUnknownNo
Reader offerNoneNone
Last checked22 October 202622 October 2026

Want to add another? Open this in the compare tool.

The key differences

  • Zoho Mail's cheapest plan is Mail Lite ($1 per user a month, yearly); Microsoft 365 Business's is Business Basic (£5.40 per user a month, yearly, ex VAT).
  • For free, Zoho Mail gives you a free plan (up to 5 users, 5 GB, own domain), and Microsoft 365 Business no free plan.
  • Zoho Mail comes with 5 GB of storage and Microsoft 365 Business with 50 GB of storage.
  • Zoho Mail keeps your mail in the EU (Amsterdam, Dublin); UK data centre announced for 2026, not confirmed live, while Microsoft 365 Business keeps it in the UK data centres for UK tenants (London, Cardiff, Durham).
  • Zoho Mail is based in India and Microsoft 365 Business in the United States, so different privacy laws apply.
  • Only Microsoft 365 Business is part of an advertising business.

Questions people ask

Which is more private, Zoho Mail or Microsoft 365 Business?

Zoho Mail scores 1.5 out of 5 for privacy and Microsoft 365 Business 1. Zoho Mail gives you a provider with no advertising business behind it.

Which is cheaper, Zoho Mail or Microsoft 365 Business?

Zoho Mail is cheaper. Its Mail Lite plan is $1 per user a month, yearly, against £5.40 per user a month, yearly, ex VAT for Microsoft 365 Business's Business Basic. Zoho Mail also has a free plan. Check the renewal price before you pay, as some first-year prices go up.

Do Zoho Mail and Microsoft 365 Business work with my own domain?

Yes, both do. Zoho Mail: Yes. Microsoft 365 Business: Yes.

Where do Zoho Mail and Microsoft 365 Business keep my email?

Zoho Mail keeps it in the EU (Amsterdam, Dublin); UK data centre announced for 2026, not confirmed live. Microsoft 365 Business keeps it in the UK data centres for UK tenants (London, Cardiff, Durham).

Price changes and news

  • 27 July 2026 Microsoft 365 Business: £5.40 (UK price change from 1 July 2026)
  • 1 June 2026 Microsoft 365 Business: £4.90

The latest headlines: Zoho Mail news · Microsoft 365 Business news.

Also worth a look

Zoho Mail vs mailbox.org · Microsoft 365 Business vs mailbox.org · Zoho Mail vs Proton Mail for Business · Microsoft 365 Business vs Proton Mail for Business · Zoho Mail vs Tuta Business · Microsoft 365 Business vs Tuta Business

Switching between them

Ready to move? My step-by-step guides cover your mail, contacts, forwarding and your own domain: Zoho Mail to Microsoft 365 Business · Microsoft 365 Business to Zoho Mail.

Get new posts and become a member

You're subscribing to Paul O'Brien - Insights, my newsletter. When I publish a new review, guide or explainer, it comes straight to your inbox. It's free, and you also become a member.

See everything members get

I'll send one email first so you can confirm it's you. Already subscribed? Sign in to manage your details