Brevo vs Microsoft 365

Estimated monthly cost comparison — not just the headline price

Brevo and Microsoft 365 do different jobs, so this is not a like-for-like comparison. The prices below are shown side by side for reference only; compare what each tool does before comparing cost.

Prices change often — confirm on the vendor's site before buying. Report incorrect pricing →

Quick Take

Different tools for different jobs — no cost winner

Based on advertised price plus documented recurring fees, not your exact usage.

Best for Brevo

All-in-one marketing platform (formerly Sendinblue). Email-based pricing from Free to $18/mo is attr

Best for Microsoft 365

Microsoft's business productivity suite (Outlook, Teams, Office apps). Per-user pricing where deskto

B

Brevo

All-in-one marketing platform (formerly Sendinblue). Email-based pricing from Fr...

Advertised

$0

/month

Estimated monthly cost

$27

/month (illustrative)

Documented Extra Fees (+$27/mo)

Daily Send Limit on Free

Free plan limits to 300 emails/day (9,000/mo). A list of 10K contacts can't be emailed in one campai...

+$9/mo

Brevo Logo on Free & Starter

Brevo branding appears on all emails on Free and Starter plans. Removing it requires Business plan a...

+$9/mo

Landing Pages & A/B Testing Paywall

Landing pages, A/B testing, and advanced statistics require Business plan ($18/mo) or higher. Starte...

+$9/mo

Pricing Tiers

Free
$0/mo
StarterPopular
$9/mo
Business
$18/mo
M

Microsoft 365

Microsoft's business productivity suite (Outlook, Teams, Office apps). Per-user ...

Advertised

$6

/month

Estimated monthly cost

$113.50

/month (illustrative)

Documented Extra Fees (+$107.50/mo)

Desktop Apps Require Business Standard

Business Basic ($6/user/mo) only includes web and mobile Office apps. Desktop Word, Excel, PowerPoin...

+$6.50/mo

Copilot AI Add-On

Microsoft 365 Copilot AI is $30/user/mo — separate from all base plans. For 50 users, Copilot alone ...

+$30/mo

Compliance Features Require E5

Advanced compliance (eDiscovery, DLP, Information Barriers, Insider Risk Management) require Enterpr...

+$51/mo

Teams Phone Add-On

Microsoft Teams Phone System for PSTN calling is not included in any standard plan. Teams Phone Stan...

+$20/mo

Pricing Tiers

Business BasicPopular(per user)
$6/mo
Business Standard(per user)
$13/mo
Business Premium(per user)
$22/mo

Key Differences

1

Brevo advertises $0/mo. Microsoft 365 advertises $6/mo.

2

Brevo has 3 documented hidden fees. Microsoft 365 has 4.

3

Brevo confidence: 74%. Microsoft 365 confidence: 84%.

Cost Comparison Summary

MetricBrevoMicrosoft 365Winner
Advertised Price$0/mo$6/moBrevo
Estimated Monthly Cost$27/mo$113.50/mo—
Recurring Extra Fees+$27/mo+$107.50/moBrevo
One-Time Costs$0$0—
# Documented Fees34—
Pricing Tiers33—
Affiliate ProgramNoneNo public affiliate program—

Frequently Asked Questions

Is Brevo or Microsoft 365 cheaper?

Brevo advertises $0/mo and Microsoft 365 advertises $6/mo. Brevo has 3 documented extra fees (recurring: +$27/mo), while Microsoft 365 has 4 (recurring: +$107.50/mo). Brevo and Microsoft 365 do different jobs, so there is no like-for-like cost winner — compare what each one does before comparing price. Your real cost depends on seats and usage — use the calculator for your numbers.

What extra fees does Brevo have?

Brevo has 3 documented extra fees: Daily Send Limit on Free, Brevo Logo on Free & Starter, Landing Pages & A/B Testing Paywall. Recurring fees add roughly $27/mo on top of the $0/mo advertised price.

What extra fees does Microsoft 365 have?

Microsoft 365 has 4 documented extra fees: Desktop Apps Require Business Standard, Copilot AI Add-On, Compliance Features Require E5, Teams Phone Add-On. Recurring fees add roughly $107.50/mo on top of the $6/mo advertised price.

Should I choose Brevo or Microsoft 365?

Choose Brevo if: All-in-one marketing platform (formerly Sendinblue). Email-based pricing from Free to $18/mo is attr. Choose Microsoft 365 if: Microsoft's business productivity suite (Outlook, Teams, Office apps). Per-user pricing where deskto. The right choice depends on your team size, usage volume, and which features you need most.

How accurate is this Brevo vs Microsoft 365 comparison?

This comparison is compiled from public vendor pricing pages and documentation. It uses illustrative assumptions (see "Cost Comparison Summary"), not your exact seats or usage, and vendor prices change often. Confirm current prices on each vendor's site, and use our calculator with your own usage for a closer estimate. Spotted an error? Email hello@trulycritic.com.

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