Best Microsoft Office 365 Outlook Apps

184+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

With an average user rating of 4.5★, the microsoft office 365 outlook category is one of the App Store's strongest. Browse all 184+ apps we track, sorted so the most loved ones surface first.

Top Picks for Microsoft Office 365 Outlook

Microsoft Outlook#1

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Editor's Choice
📊 Productivity
4.8😐(9M ratings)
FreeAdsIn-App Purchases
#7in Productivity
Microsoft Outlook screenshot 1
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Get organized and stay connected with our secure email and calendar application. Manage your schedule, emails, and contacts effortlessly on any device. Download now for seamless productivity.

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
Microsoft 365 Copilot#2

Microsoft 365 Copilot by Microsoft Corporation

AI-powered productivity
Strong Contender
📊 Productivity
4.7😐(1.3M ratings)
FreeAdsIn-App Purchases
#16in Productivity
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Microsoft 365 Copilot screenshot 6

Unlock your productivity with this all-in-one suite of essential office tools. Create documents, analyze data, and design presentations seamlessly with this powerful application suite. Boost your efficiency and streamline your work processes today!

What We Love

  • 🚀 Seamless integration of Office apps
  • 🔒 Secure cloud storage with OneDrive
  • 👍 Convenient all-in-one productivity solution
  • 🚀 Great for on-the-go work and collaboration

Room to Improve

  • 🐛 Inconsistent file saving and syncing
  • 🔍 Confusing file management and navigation
  • 🔍 Limited functionality compared to desktop Office
Microsoft OneDrive#3

Microsoft OneDrive by Microsoft Corporation

File & photo cloud storage
Worth Considering
📊 Productivity
4.7😐(486K ratings)
FreeIn-App Purchases
#16in Productivity
Microsoft OneDrive screenshot 1
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Store, access, and share your files securely across devices with ease using this cloud-based storage application. Keep all your important documents in one place and access them anytime, anywhere."

What We Love

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

Room to Improve

  • 🐛 Unreliable app performance
  • 🐛 Issues with photo/video uploads
  • 🐛 Buggy PDF annotation tools

More Microsoft Office 365 Outlook apps to explore

4
Microsoft Word
Microsoft Word
Microsoft Word
Create a Resume, Essay or PDF
Free

Create and share documents easily with a powerful word processing app. Access modern templates, rich formatting options, and collaborate seamlessly with others. Download now for a complete Microsoft Office experience.

📊 Productivity
(2.9M)
5
Email for Hotmail, Outlook
Email for Hotmail, Outlook
Email for Hotmail, Outlook
Support Outlook, Hotmail
Free

Access your Hotmail, Outlook, and other email accounts from a unified interface, with features including fast and secure sign-in, attachment support, and customizable email signatures. Manage multiple accounts easily and stay notified with instant new email notifications.

🔧 Utilities
(1.4K)
6
Microsoft Excel
Microsoft Excel
Microsoft Excel
Organize Your Data and Budget
Free

A powerful spreadsheet app that helps you organize and manage data efficiently, even on the go. Create, edit, and share files with ease, customize tables, and access advanced features for data analysis and productivity. Try it today for seamless data handling and budgeting.

📊 Productivity
(1.4M)
7
Microsoft Teams
Microsoft Teams
Microsoft Teams
Call. Chat. Collaborate
Free

Connect, collaborate, and communicate seamlessly with the all-in-one platform that is designed to bring people together for work or personal projects. Easily host meetings, chat, share files, manage tasks, and collaborate on documents while maintaining a secure and organized environment. Join calls, express yourself with emojis, and stay productive with features like cloud storage and task lists. Download now and experience the power of streamlined teamwork and communication.

💼 Business
(3.4M)
8
Mail
Mail
Mail
by Apple Distribution International
Free

Access and manage emails from multiple accounts in one place with features like scheduling emails, setting reminders, and using Mail Privacy Protection for enhanced security. Streamline your email management and communication effortlessly.

📊 Productivity
(4M)
9
Spike: AI Email & Team Chat
Spike: AI Email & Team Chat
Spike: AI Email & Team Chat
Teamspace & mail for business
Free

Spike is an innovative email application that transforms your inbox into a collaborative workspace. With powerful tools like chat, notes, and tasks integrated directly into your emails, Spike helps you communicate and collaborate more efficiently. Experience a new way of managing your emails - try Spike today!

📊 Productivity
(281)
10
Mail App for Outlook 365
Mail App for Outlook 365
Mail App for Outlook 365
Exchange express office email
Free

This email application provides fast and efficient management of Exchange and IMAP accounts, allowing users to quickly search, read, send, and file emails, with features such as intelligent inbox prioritization and email postponing. Try it now and upgrade to a PRO account with flexible subscription options for enhanced functionality.

📊 Productivity
(6)
11
Microsoft 365 Admin
Microsoft 365 Admin
Microsoft 365 Admin
by Microsoft Corporation
Free

Manage users, groups, devices, reset passwords, and more with powerful administrative tools. Streamline your administrative tasks efficiently.

📊 Productivity
(5.8K)
12
Mail App for Outlook
Mail App for Outlook
Mail App for Outlook
Inbox Zero Mail Client
Free

A new Inbox Zero Mail Client for Outlook, offering quick inbox triaging, fast message management, rich keyboard shortcuts, and instant sync. This native Outlook app prioritizes privacy and efficiency for handling recent emails. Share your feedback via in-app support. Explore now!

📊 Productivity
(5K)
13
Contacts Sync: Google & More
Contacts Sync: Google & More
Contacts Sync: Google & More
Sync Google, Outlook, & More!
Free

Effortlessly sync your contacts between your Android phone and Google account to ensure all your contact information is backed up and up-to-date. Stay organized and never lose a contact again - try it now!

📊 Productivity
(1.7K)
14
Microsoft SharePoint
Microsoft SharePoint
Microsoft SharePoint
by Microsoft Corporation
Free

Discover files, news, sites, and people personalized for you with AI-infused features on the go. Easily access, search, collaborate, and stay productive with your team while using the app. Start exploring now for seamless integration and enhanced teamwork.

📊 Productivity
(137K)
15
Microsoft PowerPoint
Microsoft PowerPoint
Microsoft PowerPoint
Design Slideshow Presentations
Free

Create, edit, and share visually stunning presentations on-the-go with this powerful slideshow maker app. Collaborate in real-time, access your files seamlessly across devices, and receive AI-powered feedback to enhance your public speaking skills. Download now for a complete Microsoft Office experience.

📊 Productivity
(560K)
16
Microsoft Planner
Microsoft Planner
Microsoft Planner
by Microsoft Corporation
Free

This application requires an Office 365 work or school subscription and provides a visual way to organize teamwork. Users can create plans, assign tasks, share files, chat, and track progress collaboratively across devices. Learn more at the provided link.

📊 Productivity
(13K)
17
Polaris Office - PDF & Docs
Polaris Office - PDF & Docs
Polaris Office - PDF & Docs
View & Edit all kinds of docs
Free

Experience seamless document creation, editing, and sharing with our versatile productivity app. Collaborate with ease on files across multiple devices, ensuring efficiency and convenience. Download now to revolutionize your workflow.

📊 Productivity
(87K)
18
Documents (Office Docs)
Documents (Office Docs)
Documents (Office Docs)
Edit, Browse and Manage Files
Free

This application allows users to edit, browse, and manage their office documents efficiently. With a user-friendly interface and versatile functionality, it simplifies document organization and editing tasks. Tap to enhance your document management experience today!

💼 Business
(42K)
19
Airmail for Gmail Outlook Mail
Airmail for Gmail Outlook Mail
Airmail for Gmail Outlook Mail
Your Mail With You
Free

A feature-packed mail client for iOS and Mac, Airmail supports various mail services like Gmail, Exchange, and Outlook. It offers advanced features such as customizable workflows, iCloud sync, snooze options, and integration with numerous apps for seamless productivity. Explore Airmail for efficient email management and enhanced productivity.

📊 Productivity
(3.8K)
20
Google Docs
Google Docs
Google Docs
Edit Documents and Collaborate
Free

Create, edit, and collaborate on online documents seamlessly with an app that allows real-time sharing, editing, and commenting. Access a variety of file types, work offline, and utilize Google search within the app. Join Google Workspace for even more features like simultaneous editing, importing/exporting various file formats, unlimited version history, and cross-device functionality.

📊 Productivity
(3.1M)