Fastmail vs Microsoft Teams
Compare Fastmail and Microsoft Teams on features, pricing, and buyer fit using the same researched criteria.
Fastmail
Privacy-focused business email, calendar and contacts with custom domains and shared addresses — Business Basic from $3/user/month annual; adjacent to business communications, not a phone system.
Best for
- • Small teams that want private, independent business email on their own domain
- • Owner-operators who need shared support@ addresses and shared calendars cheaply
- • Buyers who need an email retention archive for legal compliance (Professional)
Starting from $3.00/user/mo
No free plan
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
Microsoft Teams is better for
- ✓ Number / country coverage
- ✓ Power dialer
- ✓ CRM / CTI integrations
- ✓ Analytics
Tie
- • WhatsApp Business
- • Routing & IVR
Choose Fastmail if: Small teams that want private, independent business email on their own domain
Choose Microsoft Teams if: Organisations standardised on Microsoft 365 that need chat and meetings as the collaboration hub
Microsoft Teams
M365 collaboration hub (chat, meetings, files) with optional Teams Phone telephony add-on — free Teams tier exists; Phone Standard ~$10/user/month annual plus PSTN.
Best for
- • Organisations standardised on Microsoft 365 that need chat and meetings as the collaboration hub
- • Enterprises that may add Teams Phone later for PSTN without changing collaboration vendors
- • IT-led rollouts that prioritise identity, compliance and app ecosystem over dialer features
Starting from $0.00/user/mo
Free plan available
Fastmail vs Microsoft Teams pricing
Fastmail researched starting price from $3/mo. Microsoft Teams researched starting price from $0/mo; a free plan is researched. Affiliate economics excluded.
Fastmail
From $3.00/user/mo
Microsoft Teams
From $0.00/user/mo
Fastmail
Starting from $3.00/user/mo
Free trial available
- Business Basic$3.00/user/mo
- $3/user/month billed annually ($4 monthly; $36 for 12 months). 5 GB for mail, calendar and contacts plus 1 GB file storage, custom business addresses on your domain, 24/7 human support.
- mail storage gb: 5
- file storage gb: 1
- Business StandardPopular$5.00/user/mo
- $5/user/month billed annually ($6 monthly; $60 for 12 months). 50 GB mail plus 10 GB files, shared email addresses like support@, layered shared calendars, shared company address book, offline support, scheduled send and snooze.
- mail storage gb: 50
- file storage gb: 10
- Business Professional$9.00/user/mo
- $9/user/month billed annually ($10 monthly; $108 for 12 months). 100 GB mail plus 50 GB files and an email retention archive for legal compliance.
- mail storage gb: 100
- file storage gb: 50
- Individual$5.00/mo
- $5/month billed annually ($6 monthly; $60 for 12 months) for a single mailbox with premium email, calendar and contacts.
- mail storage gb: 50
- file storage gb: 10
Microsoft Teams
Starting from $0.00/user/mo
Free trial available
- Microsoft Teams Free$0.00/user/mo
- $0 — free Teams chat and meetings tier. Not full enterprise M365 governance; telephony requires Teams Phone + PSTN on top of an eligible licence.
- Teams Phone Standard$10.00/user/mo
- ~$10/user/month annual telephony add-on. Requires a separate eligible Teams/Microsoft 365 licence — not a standalone cloud-phone product.
- Teams Calling Plan$17.00/user/mo
- PSTN Calling Plan research floor ~$17/user/month — one of several PSTN options (PAYG ~$13, Domestic+International ~$34). Confirm live Microsoft price lists.
- Microsoft 365 EnterpriseCustom
- Most enterprise Teams deployments are licensed via Microsoft 365 Business/Enterprise SKUs rather than standalone Teams. Contact Microsoft or a partner for bundle pricing.
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
Fastmail
$45.00/mo
Microsoft Teams
$0.00/mo
+$45.00/mo — Fastmail costs more
Verified monthly unit prices · Aug 17, 2026
Prices in USD
Shown per user / month from verified list pricing.
Plans can change
Confirm live vendor rates before purchasing.
Add-ons may apply
Calling, SMS, or usage fees can add cost.
Independence
Affiliate status never changes pricing outcomes.
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