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Outlook.com vs Atomic Mail

Atomic Mail wins on privacy, Outlook.com wins on price and Outlook.com wins on features. Every fact below was checked on or before 25 October 2026.

Outlook.com or Atomic Mail: which should you choose?

  • Outlook.com suits you best if you want email without paying for it; freedom to use the mail app you already like; and your diary and address book in one place with your email.
  • Choose Atomic Mail if you want mail that's encrypted end to end without any setup and a provider with no advertising business behind it.
FeatureOutlook.comAtomic Mail
Overall2.52.5
Privacy0.02.0
Price5.03.5
Features4.01.5
Cheapest planFree (Microsoft 365 Basic for more space)
Free
Plus
From $5 a month
Free planYes, 15 GBYes, free plan
Storage15 GBNot confirmed
Your own domainNoNo
End-to-end encryptionNo✓ Built in
Company based in United StatesNot confirmed
Your data is kept in United States and worldwideNot confirmed
Founded1996Unknown
Free trialFreeFree plan
Funded by advertisingYes, or its parent company isNo
Works in any mail app✓ IMAP and SMTPNo, its own apps only
Calendar and contacts✓ YesNo
AliasesYes10 on free, 15 on Plus
Open-source appsNoNo
Sign up without IDNoNo
White labelNoUnknown
Reader offerNoneNone
Last checked22 October 202625 October 2026

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How Outlook.com and Atomic Mail differ

  • Cheapest plans: Outlook.com Free (Microsoft 365 Basic for more space), Free. Atomic Mail Plus, From $5 a month.
  • Outlook.com has a free plan (15 GB); Atomic Mail has a free plan (free plan).
  • Space: Outlook.com gives 15 GB of storage, Atomic Mail storage not confirmed.
  • Outlook.com keeps your mail in the United States and worldwide, while Atomic Mail keeps it in Not confirmed.
  • The companies sit under different laws: Outlook.com in United States, Atomic Mail in Not confirmed.
  • On encryption, Outlook.com doesn't encrypt mail end to end, whereas Atomic Mail encrypts mail end to end.
  • Mail apps: Outlook.com works in any mail app over IMAP; Atomic Mail only works in its own apps.
  • Outlook.com (or its parent company) makes money from advertising; Atomic Mail doesn't.
  • Aliases: Outlook.com offers yes, Atomic Mail 10 on free, 15 on plus.

Common questions

Is Outlook.com more private than Atomic Mail?

Atomic Mail scores 2 out of 5 for privacy and Outlook.com 0. Atomic Mail gives you mail that's encrypted end to end without any setup and a provider with no advertising business behind it.

Is Outlook.com cheaper than Atomic Mail?

Outlook.com costs nothing to start (Free). Atomic Mail's cheapest plan, Plus, is From $5 a month. Atomic Mail has a free plan too: free plan.

Can I use my own domain with Outlook.com or Atomic Mail?

No, neither lets you use your own domain, so your address stays on theirs.

Where is my email stored with Outlook.com and Atomic Mail?

Outlook.com keeps it in the United States and worldwide. Atomic Mail keeps it in Not confirmed.

Can I use Outlook.com and Atomic Mail in Apple Mail or Outlook?

Outlook.com works in any mail app over IMAP. Atomic Mail only works in its own apps.

Recent price changes

  • 22 October 2026 Atomic Mail: $4.99 a month yearly ($5.99 monthly), when I checked

The latest headlines: Outlook.com news · Atomic Mail news.

Alternatives to Outlook.com and Atomic Mail

Outlook.com vs Proton Mail · Atomic Mail vs Proton Mail · Outlook.com vs mailbox.org · Atomic Mail vs mailbox.org · Outlook.com vs Posteo · Atomic Mail vs Posteo

Moving your email

Moving to Outlook.com · Moving from Outlook.com. Or see all my switching guides.

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