Proton Mail for Business vs Microsoft 365 / Exchange Online pricing
As of , Proton Mail for Business' lowest first-term price is $6.99/month (Mail Essentials, 1-year plan) and Microsoft 365 / Exchange Online's is $4/month (Exchange Online (Plan 1), 1-year plan). Over the first 2 years, Proton Mail for Business costs $167.76 and Microsoft 365 / Exchange Online costs $96 on their lowest-cost options, renewals included.
Prices are from each vendor's official site, checked on . This page has no affiliate links.
Proton Mail for Business plansPricing page (source)
Microsoft 365 / Exchange Online plansPricing page (source)
| Fact | Proton Mail for Business | Microsoft 365 / Exchange Online |
|---|---|---|
| Lowest first-term price | $6.99/moMail Essentials, 1 year | $4/moExchange Online (Plan 1), 1 year |
| Renews at | $6.99/mo$83.88 per yearsame price | $4/mo$48 per yearsame price |
| 2-year cost | $167.76Mail Essentials, 1-year | $96Exchange Online (Plan 1), 1-year |
| Lowest annual price | $6.99/moMail Essentials | $4/moExchange Online (Plan 1) |
| Month to month | — | $8.40/mo |
| Money-back period | 30 days | — |
| Storage per user (lowest-priced plan) | per user, 15 GB storage | per user, 50 GB mailbox |
| Plan options listed | 2 | 3 |
| Source, checked | Source | Source |
Each value is copied from the vendor's site with its check date. "—" means we could not confirm it there. This page states facts only and does not pick a winner.
Proton Mail for Business vs Microsoft 365 / Exchange Online: questions
Which costs less over 2 years, Proton Mail for Business or Microsoft 365 / Exchange Online?
Microsoft 365 / Exchange Online costs less over the first 2 years: $96 (Exchange Online (Plan 1), 1-year) against $167.76 for Proton Mail for Business (Mail Essentials, 1-year). This counts the first term and then renewals at the renewal price (checked ).
What do Proton Mail for Business and Microsoft 365 / Exchange Online renew at?
Proton Mail for Business Mail Essentials (1-year) renews at $6.99/month. Microsoft 365 / Exchange Online Exchange Online (Plan 1) (1-year) renews at $4/month.
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Links marked "Affiliate link" pay us a commission if you buy. They do not change the order of the tables, which is sorted by price. Prices are as published by each vendor and most exclude sales tax and VAT. Check the vendor's page before you buy.
How this data is collected: Prices are read by hand from each vendor's official pricing page, checkout page or terms, and stored with the date and source URL. Renewal prices are listed next to first-term prices. Values we could not confirm on an official page are left blank. Last checked .