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Best Microsoft O365 Apps

156+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated July 2026

Every iPhone needs a few good microsoft o365 apps. We benchmark 156+ 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 Microsoft O365 Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft 365 CopilotMicrosoft 365 CopilotFree4.7★ (1.3M)YesYesJul 2026
2Microsoft OutlookMicrosoft OutlookFree4.8★ (9.1M)YesYesJul 2026
3Microsoft WordMicrosoft WordFree4.7★ (2.9M)NoYesJul 2026
4Microsoft OneDriveMicrosoft OneDriveFree4.7★ (486K)NoYesJul 2026
5Office Word: Edit DocumentOffice Word: Edit DocumentFree4.7★ (544)YesYesJul 2026
6Microsoft ExcelMicrosoft ExcelFree4.8★ (1.4M)NoYesJul 2026
7Microsoft TeamsMicrosoft TeamsFree4.8★ (3.4M)NoYesJul 2026
8Microsoft PowerPointMicrosoft PowerPointFree4.7★ (565K)NoYesJul 2026

Top Picks for Microsoft O365

Microsoft 365 Copilot#1

Microsoft 365 Copilot by Microsoft Corporation

AI-powered productivity
Editor's Choice
📊 Productivity
4.7😐(1.3M ratings)
FreeAdsIn-App Purchases
#26in Productivity
Microsoft 365 Copilot screenshot 1
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Microsoft 365 Copilot screenshot 6

This AI-powered app helps you be more productive at work. Chat with an AI assistant to create content, manage projects, find files, and learn new concepts. It offers voice interaction and expert insights for various tasks.

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 Outlook#2

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Strong Contender
📊 Productivity
4.8😐(9.1M ratings)
FreeAdsIn-App Purchases
#8in Productivity
Microsoft Outlook screenshot 1
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Microsoft Outlook screenshot 4
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Microsoft Outlook screenshot 6

Consolidate all your email accounts and calendars into one streamlined application. Manage your inbox, schedule meetings, and access files from various cloud services. Enhance productivity with AI-powered writing assistance and smart inbox features.

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 Word#3

Microsoft Word by Microsoft Corporation

Create a Resume, Essay or PDF
Worth Considering
📊 Productivity
4.7😐(2.9M ratings)
FreeIn-App Purchases
#8in Productivity
Microsoft Word screenshot 1
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Microsoft Word screenshot 5
Microsoft Word screenshot 6

Create, edit, and share documents on your mobile device. This powerful word processor offers templates, formatting tools, and collaborative features to help you write impactful text documents, resumes, and more. Your office moves with you, allowing for seamless editing and sharing from anywhere.

What We Love

  • 🚀 Seamless sync between devices
  • 📝 Great for writing and editing
  • 🔒 Secure document storage
  • 💡 Helpful for school and work

Room to Improve

  • 🐛 Frequent crashes and data loss
  • ⏱️ Laggy and slow performance
  • 💰 Expensive subscription required

More Microsoft O365 apps to explore

4
Microsoft OneDrive
Microsoft OneDrive
Microsoft OneDrive
File & photo cloud storage
Free

Securely store, back up, and sync your photos, videos, and files across all your devices. Share content with others, scan documents, and access files offline. Offers free storage with options to upgrade for more space and premium features.

Automatic photo and video backupFile sharing and managementDocument scanning and editing
📊 Productivity
(486K)
free with in-app purchases
5
Office Word: Edit Document
Office Word: Edit Document
Office Word: Edit Document
Read, Edit & Create Word Docs
Free

This app allows you to read, edit, and manage various document types, including Word, PDF, PPT, and Excel files, directly from your mobile device. It offers a streamlined workflow for everyday document tasks, making it convenient for students and professionals alike.

Read, edit, and manage documentsSupports Word, PDF, PPT, and Excel filesConvenient mobile editing tools
📊 Productivity
(544)
free with in-app purchases
6
Microsoft Excel
Microsoft Excel
Microsoft Excel
Organize Your Data and Budget
Free

This powerful productivity app allows you to create, view, and edit spreadsheets on the go. Manage data, perform calculations, and analyze information with robust formatting and charting tools. Share your work easily with others.

Create, view, and edit spreadsheetsData analysis with charts and graphsBudgeting and accounting tools
📊 Productivity
(1.4M)
free with in-app purchases
7
Microsoft Teams
Microsoft Teams
Microsoft Teams
Call. Chat. Collaborate
Free

This app brings people together for community activities or work projects. It offers integrated chat, events, meetings, storage, and task management. Connect, collaborate, and get things done securely in one place.

Community and team organization1-on-1 and group chatSecure audio and video calls
💼 Business
(3.4M)
free
8
Microsoft PowerPoint
Microsoft PowerPoint
Microsoft PowerPoint
Design Slideshow Presentations
Free

Create, edit, and present slideshows from anywhere. Access recent files, sync across devices via OneDrive, and collaborate with others in real time. Features AI-powered design ideas and a Presenter Coach for public speaking practice.

Create and edit presentationsView and present slideshowsSync across devices with OneDrive
📊 Productivity
(565K)
free with in-app purchases
9
Microsoft 365 Admin
Microsoft 365 Admin
Microsoft 365 Admin
by Microsoft Corporation
Free

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.

Manage users and groupsReset passwordsManage devices
📊 Productivity
(5.8K)
free
10
Microsoft OneNote
Microsoft OneNote
Microsoft OneNote
Capture Notes, Ideas and Memos
Free

Capture thoughts, ideas, and plans in a digital notepad. Organize, search, and secure your notes, memos, and sketches. Sync across devices for access anywhere, anytime. Collaborate with others on shared notepads.

Capture thoughts and ideasDigital sketchbookOrganize and search notes
📊 Productivity
(1.1M)
free with in-app purchases
11
Microsoft Edge
Microsoft Edge
Microsoft Edge
A smarter way to browse
Free

This AI-powered browser integrates a personal assistant to enhance productivity. It helps summarize content, answer questions, and create images using advanced AI models. Customize your browsing with extensions and enjoy enhanced privacy and security features.

AI-powered browsing with CopilotSummarize articles, videos, and PDFsGenerate images with AI
🔧 Utilities
(538K)
free with in-app purchases
12
Microsoft Authenticator
Microsoft Authenticator
Microsoft Authenticator
Protects your online identity
Free

Securely sign into online accounts with multi-factor authentication, passwordless login, or password autofill. Manage multiple accounts, including non-Microsoft services, and access Microsoft products and services seamlessly.

Multi-factor authentication (MFA)Passwordless sign-inPassword autofill
📊 Productivity
(663K)
free
13
Microsoft SharePoint
Microsoft SharePoint
Microsoft SharePoint
by Microsoft Corporation
Free

Access organizational files, news, and colleagues on the go. This app uses AI to personalize your experience, helping you find expertise and content quickly. Stay connected with your team and collaborate effectively from anywhere.

Personalized file and news discoveryAI-powered search for content and expertiseAccess team and communication sites
📊 Productivity
(137K)
free
14
Microsoft To Do
Microsoft To Do
Microsoft To Do
Capture Tasks & Set Reminders
Free

Manage your daily tasks and create various lists to stay organized. This app offers personalized daily planning tools and intelligent suggestions to help you focus on what matters. Collaborate with others on shared lists and access your tasks across all your devices.

Personalized daily plannerIntelligent task suggestionsCross-device syncing
📊 Productivity
(257K)
free
15
Microsoft Planner
Microsoft Planner
Microsoft Planner
by Microsoft Corporation
Free

Organize teamwork visually with a simple, interactive board. Assign tasks, track progress, and collaborate with your team through integrated conversations and file sharing. Stay updated on all your tasks across different plans and devices.

Visual task boardsTask assignment and trackingTeam collaboration and chat
📊 Productivity
(13K)
free
16
Microsoft Copilot
Microsoft Copilot
Microsoft Copilot
Ask AI: Chat & Voice Assistant
Free

This AI assistant helps with a wide range of tasks, from creative projects and everyday questions to work-related needs. It offers natural conversation, visual analysis, and learning tools, making tasks easier and faster.

AI Chat & Voice AssistantAI Image GenerationVisual Image Analysis
📊 Productivity
(402K)
free with in-app purchases
17
Microsoft Power BI
Microsoft Power BI
Microsoft Power BI
Business data analytics
Free

Access and analyze your business data from anywhere with powerful mobile tools. Visualize key metrics, filter information, and share insights on the go. Get real-time notifications and ask questions of your data with a virtual analyst.

View data in one placeExplore, filter, and focus dataAnnotate and share reports
💼 Business
(94K)
free
18
Microsoft Defender: Security
Microsoft Defender: Security
Microsoft Defender: Security
Identity Protection & Security
Free

This app offers comprehensive online security for individuals and families, providing antivirus scanning, threat monitoring, and identity protection. It helps safeguard personal information by scanning the dark web and offers credit monitoring and identity theft restoration services.

Antivirus scanningThreat monitoringDark web scanning for identity threats
💼 Business
(20K)
subscription
19
Power Apps
Power Apps
Power Apps
by Microsoft Corporation
Free

Access custom business applications for work or school from any location. This app serves as a portal to a variety of tools, from campus maps and event registration to expense tracking and performance dashboards. Build and share your own low-code apps easily.

Access work or school apps anywhereCustomizable app portalEvent registration tools
💼 Business
(23K)
free
20
Google Docs
Google Docs
Google Docs
Edit Documents and Collaborate
Free

Create, edit, and collaborate on documents online in real time. Work together seamlessly with your team, even offline, and access a variety of file types. AI-powered features can help draft and refine content.

Real-time collaborationOffline editingTemplate library
📊 Productivity
(3.2M)
freemium

FAQ about Microsoft O365

What are the best microsoft o365 apps for iPhone?
Microsoft 365 Copilot tops our microsoft o365 apps ranking as of July 2026, with a 4.7-star average from 1.3M App Store ratings, and it's free to download.
Yes — 20 of the top microsoft o365 apps we rank are free to download, including Microsoft 365 Copilot and Microsoft Outlook.
Microsoft 365 Copilot shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 156+ microsoft o365 apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
The app acts as an AI-first productivity tool for work. It allows you to chat with an AI assistant to create content, manage projects, find files, and accelerate learning. It aims to help users get more done efficiently.
Key features include chatting with an AI assistant for tasks like drafting emails or summarizing documents, interacting via voice for preparation and brainstorming, quickly finding files, accelerating learning by explaining concepts, generating research reports, creating polished content, and managing projects with Copilot Notebooks.