Adobe Acrobat Reader
Adobe · Office
Adobe's free PDF reader for viewing, signing and commenting.
FreeWindows · Mac
Microsoft 365 (Office)
by Microsoft · Office, PDF & email
PaidWindowsMac
Word, Excel, PowerPoint and Outlook as a subscription.
Opens office.com, Microsoft's own site. No mirror, no bundle.
Overview
What is Microsoft 365 (Office)?
Microsoft 365 desktop apps are installed by signing in at office.com and choosing Install apps. Many schools and employers include a licence; the web versions are free with a Microsoft account.
Key features
- Word, Excel, PowerPoint and Outlook
- OneDrive cloud storage
- Real-time co-authoring
- Free web versions
Best for
- Workplaces standardised on Office
- Advanced Excel work
- Students with a school licence
Install
How to install Microsoft 365 (Office)
- 1Open the official Microsoft 365 (Office) download page on office.com.
- 2Pick the build for your system (Windows, Mac; check x64, ARM or Apple silicon where offered).
- 3Run the installer and read each screen; decline anything you did not ask for.
- 4Keep it updated from the app's own updater or your package manager.
Install from the command line
Microsoft 365 (Office) has no package ID we could verify in winget, Homebrew or Flathub, so use the official download page.
Package IDs checked against the public winget, Homebrew and Flathub repositories on 1 Nov 2026. Build a script for several apps.
Safety
Download Microsoft 365 (Office) safely
Check the domain
The real download lives on office.com. Look-alike domains and search ads are the most common trap.
Skip mirrors
Download portals can wrap installers in adware or old versions. You never need them for this app.
Verify if you can
If the publisher lists a checksum, compare it with our in-browser checker before running the file.
Watch the installer
Untick extras, browser changes or trials you did not ask for.
Alternatives
Microsoft 365 (Office) alternatives
Other office, pdf & email apps, closest platform match first.
calibre
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The Document Foundation · Office
Free office suite with a word processor, spreadsheet and presentations.
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MZLA Technologies (Mozilla) · Office
Free email client with calendar, contacts and multiple accounts.
Open sourceWindows · Mac · LinuxONLYOFFICE Desktop Editors
Ascensio System · Office
Free office editors with a familiar, tabbed Microsoft Office-style interface.
Open sourceWindows · Mac · LinuxSumatraPDF
Krzysztof Kowalczyk · Office
Tiny, fast PDF, ePub and comic reader for Windows.
Open sourceWindows
FAQ
Microsoft 365 (Office) questions
Where can I download Microsoft 365 (Office) safely?
Download Microsoft 365 (Office) only from Microsoft's official site at office.com. Avoid mirror and "download portal" sites, which can bundle extra software with the installer.
Is Microsoft 365 (Office) free?
Microsoft 365 (Office) is paid software. You can try it first (trial or evaluation), then buy a licence from office.com.
Does Microsoft 365 (Office) work on Windows and Mac?
Microsoft 365 (Office) is available for Windows, Mac. Check Microsoft's download page for exact system requirements and whether your processor (x64, ARM or Apple silicon) is supported.
What are good alternatives to Microsoft 365 (Office)?
See the alternatives section on this page and the full office, pdf & email list on AltFTool, which shows each app's licence and platforms side by side. Free and open-source options are marked in the list.