Best Outlook 365 Apps

193+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Finding the right outlook 365 apps can be overwhelming with so many options. We've analyzed 193+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Outlook 365 Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft OutlookMicrosoft OutlookFree4.8★ (9.1M)YesYesJul 2026
2Microsoft 365 CopilotMicrosoft 365 CopilotFree4.7★ (1.3M)YesYesJul 2026
3Mail App for Outlook 365Mail App for Outlook 365Free3.7★ (6)YesYesJul 2026
4MailMailFree4.7★ (4M)NoNoJul 2026
5Google Fi WirelessGoogle Fi WirelessFree4.4★ (20K)NoNoJul 2026
6Microsoft TeamsMicrosoft TeamsFree4.8★ (3.4M)NoYesJul 2026
7Mail App for OutlookMail App for OutlookFree4.5★ (5K)NoYesJul 2026
8Microsoft OneDriveMicrosoft OneDriveFree4.7★ (486K)NoYesJul 2026

Top Picks for Outlook 365

Microsoft Outlook#1

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Editor's Choice
📊 Productivity
4.8😐(9.1M ratings)
FreeAdsIn-App Purchases
#8in Productivity
Microsoft Outlook screenshot 1
Microsoft Outlook screenshot 2
Microsoft Outlook screenshot 3
Microsoft Outlook screenshot 4
Microsoft Outlook screenshot 5
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 365 Copilot#2

Microsoft 365 Copilot by Microsoft Corporation

AI-powered productivity
Strong Contender
📊 Productivity
4.7😐(1.3M ratings)
FreeAdsIn-App Purchases
#26in Productivity
Microsoft 365 Copilot screenshot 1
Microsoft 365 Copilot screenshot 2
Microsoft 365 Copilot screenshot 3
Microsoft 365 Copilot screenshot 4
Microsoft 365 Copilot screenshot 5
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
Mail App for Outlook 365#3

Mail App for Outlook 365 by ElevenThirteen LLC

Exchange express office email
Worth Considering
📊 Productivity
3.7(6 ratings)
FreeAdsIn-App Purchases
Mail App for Outlook 365 screenshot 1
Mail App for Outlook 365 screenshot 2
Mail App for Outlook 365 screenshot 3
Mail App for Outlook 365 screenshot 4
Mail App for Outlook 365 screenshot 5
Mail App for Outlook 365 screenshot 6

Manage your office email efficiently with instant search, an intelligent inbox that prioritizes important messages, and quick filing options. This app supports Exchange and IMAP accounts, offering a streamlined experience for professionals.

More Outlook 365 apps to explore

4
Mail
Mail
Mail
by Apple
Free

Consolidate all your email accounts into a single, organized inbox. Prioritize important messages, quickly respond with smart replies, and manage your inbox efficiently with features like scheduling and snoozing. Enjoy enhanced privacy with IP address hiding and read receipt prevention.

Unified inbox for multiple accountsAutomatic message categorizationPriority Messages and summarization
📊 Productivity
(4M)
free
5
Google Fi Wireless
Google Fi Wireless
Google Fi Wireless
A phone plan for families
Free

This app provides a mobile phone plan with reliable 5G coverage, enhanced security, and international perks. Manage your service, track data, and access customer support all within the application.

Ultra-reliable 5G coverageIndustry-leading security featuresTop-priority data speeds
🔧 Utilities
(20K)
free
6
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
7
Mail App for Outlook
Mail App for Outlook
Mail App for Outlook
Inbox Zero Mail Client
Free

This app offers a fast and efficient way to manage your Outlook inbox, focusing on quick triaging and instant message sending/receiving. It prioritizes privacy and utilizes a modern codebase for a seamless experience.

Privacy awareFast email management toolsRich keyboard shortcuts
📊 Productivity
(5K)
subscription
8
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
9
Google Arts & Culture
Google Arts & Culture
Google Arts & Culture
See artworks, museums and more
Free

Explore the world's cultural heritage through high-definition artworks, virtual tours, and immersive galleries. Discover stories, learn about history, and see famous landmarks up close from over 2,000 institutions worldwide.

Virtual museum toursHigh-definition artwork explorationArt recognition with camera
📚 Education
(134K)
free
10
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
11
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
12
Microsoft Word
Microsoft Word
Microsoft Word
Create a Resume, Essay or PDF
Free

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.

Create and edit documentsModern templatesRich formatting and layout options
📊 Productivity
(2.9M)
free with in-app purchases
13
Google Slides
Google Slides
Google Slides
by Google
Free

Create, edit, and collaborate on presentations from any device. Work offline, add rich media, and present directly from your phone or tablet. Seamlessly integrate with video calls and other productivity tools.

Create and edit presentationsReal-time collaborationOffline access
📊 Productivity
(403K)
free
14
Email for Hotmail & Outlook
Email for Hotmail & Outlook
Email for Hotmail & Outlook
Support Hotmail, Outlook, O365
Free

Streamline your email experience with this app designed for control, privacy, and simplicity. Manage multiple accounts, filter messages, and enjoy real-time notifications. It offers advanced features like custom swipes and secure unlocking to help you achieve more with your inbox.

Unified inbox for multiple accountsAdvanced filtering and searchCustomizable swipe gestures
🔧 Utilities
(2.5K)
free with in-app purchases
15
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
16
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
17
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
18
TaskTask for Outlook Tasks
TaskTask for Outlook Tasks
TaskTask for Outlook Tasks
by TaskTask LLC
Free
$4.99 | 100% OFF

Manage your Outlook or Gmail tasks directly on your iPhone. This app syncs your entire task list, including advanced properties and flagged emails, with your Office 365, Exchange, or Google accounts. It offers robust task management features for on-the-go productivity.

Sync Outlook/Gmail tasksManage task attributesSet reminders and due dates
📊 Productivity
(1.1K)
free with in-app purchases
19
mail.com - email & cloud
mail.com - email & cloud
mail.com - email & cloud
Mailbox for storage & mail
Free

Manage your emails and cloud storage from a single app. Receive instant notifications for new messages and access your contacts and documents on the go. Secure your account with PIN or biometric authentication.

Unified inbox for all email addresses2GB cloud storagePush notifications
📊 Productivity
(104K)
free with in-app purchases
20
Email - Edison Mail
Email - Edison Mail
Email - Edison Mail
No more Spam - Inbox Zero
Free

Manage multiple email accounts in one unified inbox. This app offers fast email fetching, smart search for important information, and tools to reduce inbox clutter. It prioritizes privacy and security with features like sender blocking and biometric protection.

Unified inbox for all accountsFast email fetching and searchOne-tap unsubscribe
📊 Productivity
(78K)
free with in-app purchases

FAQ about Outlook 365

What are the best outlook 365 apps for iPhone?
Microsoft Outlook tops our outlook 365 apps ranking as of July 2026, with a 4.8-star average from 9.1M App Store ratings, and it's free to download.
Yes — 20 of the top outlook 365 apps we rank are free to download, including Microsoft Outlook and Microsoft 365 Copilot.
Microsoft Outlook shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 193+ outlook 365 apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This application consolidates all your email accounts and calendars into a single, convenient location. It helps you manage your inbox, schedule meetings, and access files from various cloud storage services. The app also offers AI-powered features to enhance productivity, such as summarizing long email threads and assisting with writing.
Key features include a smart inbox that sorts messages, quick swipe actions for managing emails, easy sharing of meeting availability, and the ability to find contacts and trips. You can also view and attach files from services like OneDrive and Dropbox without downloading them, and edit Office documents directly within the app.

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