Best Office 365 Login Apps

247+ iOS apps curated and reviewed

4.1 avg rating
18 free apps
Updated November 2026

Every iPhone needs a few good office 365 login apps. We benchmark 247+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Office 365 Login Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft OutlookMicrosoft OutlookFree4.8★ (9.4M)YesYesNov 2026
2Microsoft OneDriveMicrosoft OneDriveFree4.7★ (488K)NoYesNov 2026
3Microsoft 365 AdminMicrosoft 365 AdminFree4.6★ (5.8K)NoNoNov 2026
4Microsoft CopilotMicrosoft CopilotFree4.7★ (1.4M)YesYesNov 2026
5Microsoft SharePointMicrosoft SharePointFree4.6★ (142K)NoNoNov 2026
6LIIS OfficeLIIS OfficeFree3.0★ (1)NoNoSep 2026
7WorldCard for Office 365WorldCard for Office 365Free1.0★ (1)NoYesOct 2026
8Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (723K)NoNoNov 2026

Top Picks for Office 365 Login

Microsoft Outlook#1

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Editor's Choice
📊 Productivity
4.8😐(9.4M ratings)
FreeAdsIn-App Purchases
#16in Productivity
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Consolidate all your email accounts and calendars into one streamlined application. Manage your inbox, schedule meetings, and access files effortlessly. Enhance your productivity with smart features and AI-powered assistance for writing and summarizing emails.

What We Love

  • 🚀 Great for corporate email
  • 👍 Customizable and user-friendly
  • 🚀 Seamless integration with Microsoft 365
  • 👍 Solid email and calendar functionality

Room to Improve

  • 🐛 Buggy and unstable at times
  • 🔋 High battery consumption
  • 🔒 Security issues with password resets
  • 👎 Limited file attachment options
Microsoft OneDrive#2

Microsoft OneDrive by Microsoft Corporation

File & photo cloud storage
Strong Contender
📊 Productivity
4.7😐(488K ratings)
FreeIn-App Purchases
#20in Productivity
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Securely store, back up, and share your files and photos across all your devices. Access documents offline, scan physical items into digital format, and collaborate on Office documents in real time. Offers 5 GB free storage with options to upgrade for more.

What We Love

  • 🚀 Seamless syncing across devices
  • 💡 Useful for storing and accessing files
  • 🔒 Secure cloud storage
  • 👍 Great integration with Microsoft Office
  • 🚀 Fast uploads and downloads

Room to Improve

  • 🐛 Unreliable app performance
  • 🐛 Issues with photo/video uploads
  • 🐛 Buggy PDF annotation tools
  • 🐛 Inconsistent user experience across platforms
  • 🔋 High battery drain
4.6😊(5.8K ratings)
Free
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Manage your Microsoft 365 or Office 365 business subscription from your mobile device. Add users, reset passwords, manage devices, and monitor service health. Stay informed with critical notifications and support requests on the go.

What We Love

  • 💻 Easy to use
  • 🔑 Convenient password resets
  • 🚀 Efficient admin tasks on the go
  • 📱 Helpful for mobile management
  • 🔒 Secure authentication
  • 🔍 Useful for monitoring service health

Room to Improve

  • 🐛 Crashes and freezes
  • 🔍 Limited functionality compared to web portal
  • 🔍 Difficult to switch between accounts
  • 🔍 Lack of advanced admin features
  • 🔍 Inconsistent user experience

More Office 365 Login apps to explore

FAQ about Office 365 Login

What are the best office 365 login apps for iPhone?
Microsoft Outlook tops our office 365 login apps ranking as of November 2026, with a 4.8-star average from 9.4M App Store ratings, and it's free to download.
Yes — 18 of the top office 365 login apps we rank are free to download, including Microsoft Outlook and Microsoft OneDrive.
Microsoft Outlook shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 247+ office 365 login apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.