Microsoft Defender for Office 365 pricing
Microsoft Defender for Office 365 is a paid product. Starting price: $2 per user/month (Plan 1, yearly). Free trial: 90 days (Plan 2).
Microsoft Defender for Office 365 plans and prices
Every line links to the page it came from. Prices are what Microsoft Defender for Office 365 publishes; taxes, currency and regional pricing can change what you pay.
Microsoft Defender for Office 365 pricing facts
3 of 3 verified- Starting price
- $2 per user/month (Plan 1, yearly)
- Checked Nov 8, 2026microsoft.com(opens source in a new tab)
- “$2.00 user/month, paid yearly”
- Plan 2 price
- $5 per user/month (yearly)
- Checked Nov 8, 2026microsoft.com(opens source in a new tab)
- “$5.00 user/month, paid yearly”
- Free trial
- 90 days (Plan 2)
- Checked Nov 8, 2026learn.microsoft.com(opens source in a new tab)
- “Use the 90-day Defender for Office 365 trial at the Microsoft Defender portal trials hub .”
Microsoft Defender for Office 365 price history
We've tracked Microsoft Defender for Office 365's prices since Nov 8, 2026 and re-check them against microsoft.com regularly. No price changes so far.
Microsoft Defender for Office 365 alternatives by price
Starting prices from each app's own site, ranked by our alternatives score.
| App | Pricing | Price | Free plan |
|---|---|---|---|
 Mimecast | Paid | — | No |
 Proofpoint | Paid | — | No |
 Barracuda Email Protection | Paid | — | No |
 SpamTitan | Paid | — | No |
Microsoft Defender for Office 365 pricing: common questions
Is Microsoft Defender for Office 365 free?
No, Microsoft Defender for Office 365 is a paid product. It offers a free trial: 90 days (Plan 2).
How much does Microsoft Defender for Office 365 cost?
Starting price: $2 per user/month (Plan 1, yearly), according to microsoft.com (checked Nov 8, 2026). Prices can vary by country and billing period.
Does Microsoft Defender for Office 365 have a free trial?
Yes: 90 days (Plan 2).