Software · head to head
Mozilla Firefox vs Microsoft Outlook
Microsoft Outlook
Software
Email, calendars and contacts in one place, on desktop, mobile and web
- From
- On request
- Rated
- -
The short version
- Only Mozilla Firefox has a free tier, so it costs nothing to try first.
- Each has a real cost: Mozilla Firefox no longer supported on Windows 8.1 and earlier versions (users must use Firefox ESR); Microsoft Outlook free Outlook.com accounts are capped at 15GB mailbox storage plus 5GB cloud storage
Where they differ
Only the attributes on which Mozilla Firefox and Microsoft Outlook actually diverge.
| Attribute | Mozilla Firefox | Microsoft Outlook |
|---|---|---|
| Starting price | Free | On request |
| Pricing model | Unknown | subscription |
| Free tier | Yes | No |
| Platforms | Windows, macOS, Linux, iOS, Android | Web |
| Founded | 2004 | Unknown |
Identical on both: user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Mozilla Firefox
- Enhanced tracking protection
- Private browsing
- Customizable interface
- Add-ons support
- Cross-device sync
- Built-in screenshot tool
- Reader mode
- Picture-in-picture
Only in Microsoft Outlook
Nothing recorded that Mozilla Firefox does not also cover.
What people use each for
The jobs each tool is most often brought in to do.
Mozilla Firefox
- Open-source web browser with privacy-focused designnot Microsoft Outlook
- Automatic tracking protection and ad blocking (2000+ data trackers blocked by default)not Microsoft Outlook
- Private browsing mode for anonymous web sessionsnot Microsoft Outlook
- Built-in password managernot Microsoft Outlook
- Multi-platform synchronisation across devicesnot Microsoft Outlook
- Developer tools and debugging capabilities for web developmentnot Microsoft Outlook
Microsoft Outlook
No use cases recorded yet. See the Microsoft Outlook review.
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Mozilla Firefox
- No longer supported on Windows 8.1 and earlier versions (users must use Firefox ESR)
- No longer supported on macOS 10.14 and earlier versions (users must use Firefox ESR)
Microsoft Outlook
- Free Outlook.com accounts are capped at 15GB mailbox storage plus 5GB cloud storage
- Ad-free inbox and advanced security features require at least the $1.99/month Microsoft 365 Basic tier
Pricing, plan by plan
Mozilla Firefox
FreeNo published plan breakdown. See the Mozilla Firefox review.
Microsoft Outlook
On requestNo published plan breakdown. See the Microsoft Outlook review.
Which should you pick?
Choose Mozilla Firefox if
- You need enhanced tracking protection.
- You want to start without paying.
- You work on Windows, macOS, Linux, iOS, Android.
- You also want private browsing.
Choose Microsoft Outlook if
Nothing in the data separates Microsoft Outlook from Mozilla Firefox on the points above - pick on price and on how each one feels to use.
Questions people ask
- Is Mozilla Firefox or Microsoft Outlook better?
- Neither clearly leads. Mozilla Firefox starts at Free and Microsoft Outlook at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Mozilla Firefox or Microsoft Outlook?
- Mozilla Firefox has a free tier; the other does not. Paid plans start at Free for Mozilla Firefox and On request for Microsoft Outlook.
- Does Mozilla Firefox or Microsoft Outlook run on more platforms?
- Mozilla Firefox runs on Windows, macOS, Linux, iOS, Android. Microsoft Outlook runs on Web.
- Can I use Mozilla Firefox for free?
- Yes. Mozilla Firefox has a free tier, so you can try it without paying. Microsoft Outlook starts at On request.
- What is Mozilla Firefox best used for?
- Mozilla Firefox is most often used for open-source web browser with privacy-focused design, automatic tracking protection and ad blocking (2000+ data trackers blocked by default), private browsing mode for anonymous web sessions, built-in password manager. Of those, open-source web browser with privacy-focused design and automatic tracking protection and ad blocking (2000+ data trackers blocked by default) are not what Microsoft Outlook is typically brought in for.
- What can Mozilla Firefox do that Microsoft Outlook cannot?
- Mozilla Firefox covers Enhanced tracking protection, Private browsing, Customizable interface, Add-ons support.