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Best Ms Outlook 365 Apps

198+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

With an average user rating of 4.5★, the ms outlook 365 category is one of the App Store's strongest. Browse all 198+ apps we track, sorted so the most loved ones surface first.

Top Picks for Ms Outlook 365

Microsoft Outlook#1

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Editor's Choice
📊 Productivity
4.8😐(9M 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
#24in 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#3

Mail App for Outlook by Intrepid Corporation LTD

Inbox Zero Mail Client
Worth Considering
📊 Productivity
4.5😞(5K ratings)
FreeIn-App Purchases
Mail App for Outlook screenshot 1
Mail App for Outlook screenshot 2
Mail App for Outlook screenshot 3

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.

What We Love

  • 🚀 Fast and easy to use
  • 👍 Organized and practical
  • 💡 Excellent for managing multiple accounts

Room to Improve

  • 🐛 Frequent crashes and freezes
  • 🔌 Issues with email syncing and access
  • 💰 Expensive subscription model

More Ms Outlook 365 apps to explore

4
Google
Google
Google
Search with AI, Images & Text
Free

This app provides a comprehensive search experience, integrating AI for quick answers and personalized content. It allows you to search using images, voice, or text, and offers features like song identification and real-time translation.

AI Overviews for quick answersImage search with LensHum to Search for song identification
🔧 Utilities
(4.8M)
free with in-app purchases
5
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
6
Mail+ for Outlook
Mail+ for Outlook
Mail+ for Outlook
by MAIL PLUS APP LLC
$4.99

Access Outlook email and calendar securely on your iOS device. Manage work and personal accounts separately with tools designed for mobile business users, including rich text editing and scheduling assistance. Supports various Exchange versions and popular email services.

Secure Outlook email accessCalendar event managementRich HTML text editing
💼 Business
(840)
free with in-app purchases
7
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
8
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
9
MailBuzzr for Outlook
MailBuzzr for Outlook
MailBuzzr for Outlook
Email for Hotmail and Outlook
Free

Manage all your Hotmail and Outlook accounts in one fast, beautifully designed app. Get smart notifications, organize emails with tags and filters, and undo actions easily. Enjoy a frustration-free email experience with an elegant interface and custom themes.

Unified inbox for multiple accountsSmart notifications with customizable alertsQuick email preview and undo actions
📊 Productivity
(520)
free with in-app purchases
10
Boxer - Workspace ONE
Boxer - Workspace ONE
Boxer - Workspace ONE
Omnissa Workspace ONE
Free

Manage email, calendar, and contacts efficiently with customizable tools like swipe gestures and quick replies. This app offers a modern, intuitive interface designed for professionals to boost productivity on the go. It also includes features for seamless conference call dialing and robust data security.

Unified email, calendar, and contactsCustomizable swipe gesturesQuick reply templates
💼 Business
(77K)
free
11
DejaOffice CRM with PC Sync
DejaOffice CRM with PC Sync
DejaOffice CRM with PC Sync
by CompanionLink Software, Inc.
Free

Manage your contacts, calendar, tasks, and notes in one app. Syncs seamlessly with popular PC CRMs like Outlook, Act!, and GoldMine, offering direct USB, Wi-Fi, and cloud synchronization options. Features persistent alarms, custom fields, and multiple task management styles.

PC CRM synchronizationContact, Calendar, Task, and Note managementPersistent alarms
💼 Business
(72)
free
12
Mail: Email, Cloud, Calendar
Mail: Email, Cloud, Calendar
Mail: Email, Cloud, Calendar
Tackle your inbox email!
Free

This app consolidates email, calendar, notes, and cloud storage into a single platform. It offers AI-powered email summarization, vacation planning, customizable notifications, and translation features. Manage multiple email accounts and organize newsletters efficiently.

Unified inbox for multiple email accountsAI-powered email summarizationSmart calendar with vacation planner
📊 Productivity
(60K)
free with in-app purchases
13
myMail box: email client app
myMail box: email client app
myMail box: email client app
E-mail for Gmail, Hotmail, AOL
Free

Consolidate and manage multiple email accounts from various providers in a single, user-friendly interface. Enjoy customizable notifications, enhanced security features, and efficient search capabilities to streamline your communication.

Unified inbox for multiple email accountsCustomizable push notificationsEmail thread view
📊 Productivity
(17K)
free with in-app purchases
14
Clean Email: Inbox Cleaner
Clean Email: Inbox Cleaner
Clean Email: Inbox Cleaner
Unsubscribe & Bulk Delete Mail
Free

This app helps you declutter your inbox by unsubscribing from unwanted senders, bulk deleting emails, and automating cleanup. It offers features to block senders, get data breach alerts, and organize your mail efficiently. Take control of your inbox and save time daily.

Bulk delete emailsUnsubscribe from sendersBlock and screen senders
📊 Productivity
(3.6K)
free with in-app purchases
15
Documents (Office Docs)
Documents (Office Docs)
Documents (Office Docs)
Edit, Browse and Manage Files
Free

This mobile office suite allows users to edit and manage spreadsheet and rich text files on their iPhone and iPad. It offers online and offline functionality, synchronization with cloud storage services, and compatibility with major office suites.

Edit spreadsheet and rich text filesOnline and offline functionalitySynchronize with Google Drive, Dropbox, Box, SkyDrive
💼 Business
(42K)
free with in-app purchases
16
Proton Mail - Encrypted Email
Proton Mail - Encrypted Email
Proton Mail - Encrypted Email
Fast, private & secure mail
Free

This encrypted email service from Switzerland prioritizes user privacy with end-to-end encryption. It offers robust security features to protect your communications from phishing, spam, and tracking, allowing you to manage your inbox with ease.

End-to-end encryptionPassword-protected emailsMultiple account support
📊 Productivity
(45K)
free with in-app purchases
17
Chuck – Smarter Email with AI
Chuck – Smarter Email with AI
Chuck – Smarter Email with AI
AI Email Cleanup & Unsubscribe
Free

This app offers a fast and private way to manage your inbox. It uses on-device AI to help you clean up thousands of emails, unsubscribe from lists, and organize your communications across multiple accounts. It functions as a full email client with smart notifications.

AI-powered batch email processingBulk delete, archive, and unsubscribeConnect multiple email accounts
📊 Productivity
(15K)
freemium
18
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
19
Unroll.Me - Email Cleanup
Unroll.Me - Email Cleanup
Unroll.Me - Email Cleanup
Clean your inbox & block spam
Free

Tired of a cluttered inbox? This app helps you easily unsubscribe from unwanted email subscriptions, block spam, and organize your mail. It provides a clear overview of all your subscriptions, allowing you to manage them individually or in bulk.

View all subscription emailsBlock unwanted emailsKeep desired emails
📊 Productivity
(128K)
free
20
Vimcal: Calendar and Schedule
Vimcal: Calendar and Schedule
Vimcal: Calendar and Schedule
Work calendar for busy people
Free

This app enhances your existing Google and Outlook calendars with features designed for remote workers. It offers tools for seamless scheduling across time zones, deep focus modes, and beautiful event decluttering to boost productivity.

Time zone conversion without mental mathIntegrated Pomodoro timer with ambient soundsDrag-and-copy availability for booking links
📊 Productivity
(457)
free

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