Microsoft Exchange Online vs mailbox

Microsoft Exchange Online8.1Visit mailbox7.1Visit

Higher score Microsoft Exchange Online #3 in Business Email Hosting 8.1/10 Paid ✓ 1 of 3 features Visit Microsoft

vs

mailbox #5 in Business Email Hosting 7.1/10 From €1/user/mo (annual) · 30-day trial ✓ 0 of 3 features Visit mailbox

• Microsoft Exchange Online fits best

  Microsoft-centric organizations

• mailbox fits best

  Privacy-focused teams needing a full suite

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Side by side

Feature	Microsoft Exchange Online 8.1/10 Visit ↗	mailbox 7.1/10 Visit ↗
At a glance
Editor score	8.1	7.1
Ranking	#3 in Business Email Hosting	#5 in Business Email Hosting
Best for	Microsoft-centric organizations	Privacy-focused teams needing a full suite
Pricing model	Paid	Paid
Starting price	Not published	Not published
Free plan	—	—
Free trial	—	—
Deployment	Cloud, Browser extension	Cloud, Mobile
Platforms	Web, Windows, macOS, iOS, Android	Web, iOS, Android
Support	Phone, Docs · 24/7	Email, Phone, Community, Docs, Tickets · 24/7
Integrations	2 integrations	3 integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Microsoft Exchange Online 1/3 · mailbox 0/3
Admin controls	Not published	Not published
Shared mailboxes	✓ (best)	Not published
Archiving & retention	Not published	Not published
Specs
Mailbox storage	50 GB (best)	2 GB
Aliases included	Not published	Not published
Security controls	Not published	Not published
Our review
Pros	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	PGP and S/MIME encryption, with an optional PGP-encrypted inbox Standard and Premium add custom domains, Drive, office tools and Meet IMAP, POP3 and SMTP access plus web, iOS, Android and API support
Cons	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	Light includes only 2 GB of mail storage and 3 @mailbox.org aliases Custom-domain email is available on Standard and Premium Light is annual-only and intended for individual private accounts
Our verdict	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 →	mailbox combines ad-free email hosted in Berlin with collaboration tools for private users, businesses and public-sector organisations. Email is accessible through webmail or standard clients using IMAP, POP3 and SMTP. Calendar, contacts… Read the review →

Strengths and trade-offs

• 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

• mailbox — where it wins

  • PGP and S/MIME encryption, with an optional PGP-encrypted inbox
  • Standard and Premium add custom domains, Drive, office tools and Meet
  • IMAP, POP3 and SMTP access plus web, iOS, Android and API support

  Where it doesn't

  • Light includes only 2 GB of mail storage and 3 @mailbox.org aliases
  • Custom-domain email is available on Standard and Premium
  • Light is annual-only and intended for individual private accounts

• Microsoft Exchange Online8.1/10 · Paid

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

  Visit MicrosoftFull verdict →
• mailbox7.1/10 · From €1/user/mo (annual) · 30-day trial

  A privacy-oriented email suite whose entry plan is affordable but storage-light.

  Visit mailboxFull verdict →