Best Microsoft Outlook Free Apps

237+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated August 2026

Microsoft Outlook is the household name in microsoft outlook free, but it's far from the only option. We track 237+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Microsoft Outlook Free Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft OutlookMicrosoft OutlookFree4.8★ (9.2M)YesYesAug 2026
2MailMailFree4.7★ (4M)NoNoAug 2026
3Mail App for OutlookMail App for OutlookFree4.5★ (6.7K)NoYesAug 2026
4Microsoft 365 AdminMicrosoft 365 AdminFree4.6★ (5.8K)NoNoAug 2026
5myMail box: email client appmyMail box: email client appFree4.4★ (18K)YesNoAug 2026
6Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (677K)NoNoAug 2026
7Google SheetsGoogle SheetsFree4.8★ (1.8M)NoNoAug 2026
8Mail App for Outlook 365Mail App for Outlook 365Free3.7★ (6)YesYesAug 2026

Top Picks for Microsoft Outlook Free

Microsoft Outlook#1

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Editor's Choice
📊 Productivity
4.8😐(9.2M ratings)
FreeAdsIn-App Purchases
#6in 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
Mail#2

Mail by Apple

Strong Contender
📊 Productivity
4.7😐(4M ratings)
Free
Mail screenshot 1
Mail screenshot 2
Mail screenshot 3

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.

What We Love

  • 🚀 Efficient email management
  • 🔒 Secure and private
  • 👍 Simple and intuitive interface
  • 💡 Useful categorization of emails

Room to Improve

  • 🐛 Inconsistent swipe gestures
  • 🐛 Unreliable search function
  • 🐛 Emails disappearing or not syncing properly
Mail App for Outlook#3

Mail App for Outlook by Intrepid

Inbox Zero Mail Client
Worth Considering
📊 Productivity
4.5😞(6.7K 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 Microsoft Outlook Free apps to explore

4
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
5
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
(18K)
free with in-app purchases
6
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
(677K)
free
7
Google Sheets
Google Sheets
Google Sheets
Collaborate on Spreadsheets
Free

Create, edit, and collaborate on spreadsheets from anywhere, anytime. Work offline, format cells, insert formulas, and view charts. Seamlessly edit Excel files and enjoy automatic saving of your work.

Create and edit spreadsheetsReal-time collaborationOffline access
📊 Productivity
(1.8M)
free
8
Mail App for Outlook 365
Mail App for Outlook 365
Mail App for Outlook 365
Exchange express office email
Free

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.

Instant email searchIntelligent inbox prioritizationQuick mail filing
📊 Productivity
(6)
free with in-app purchases
9
Microsoft Edge
Microsoft Edge
Microsoft Edge
Start here, get it done here
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
(565K)
free with in-app purchases
10
Newton Mail - Email App
Newton Mail - Email App
Newton Mail - Email App
Supercharged Email For Pros
Free

Streamline your email communication with advanced features designed for professionals. Manage multiple accounts, track emails, and integrate with productivity apps to boost efficiency and declutter your inbox.

Read ReceiptsSend LaterTidy Inbox
💼 Business
(3.1K)
free with in-app purchases
11
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
(139K)
free
12
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
13
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
14
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
15
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
(265K)
free
16
Sync2 Outlook Google & iCloud
Sync2 Outlook Google & iCloud
Sync2 Outlook Google & iCloud
Sync Calendar, Gmail, Contacts
Free

Seamlessly synchronize your Microsoft Outlook data, including emails, calendars, and contacts, with Google, iCloud, and other cloud services. This companion app enables two-way syncing between your PC and mobile devices like iPhone and iPad, even when Outlook is closed.

Sync Outlook with iPhone/iPad via GoogleSync Outlook Calendar with Google CalendarsSync Outlook Contacts with Google Contacts
📊 Productivity
(112)
free
17
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
18
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
19
Email for Hotmail, Outlook
Email for Hotmail, Outlook
Email for Hotmail, Outlook
Support Outlook, Hotmail
Free

Manage your Hotmail, Outlook, Live, and MSN email accounts with a fast, secure, and intuitive app. It offers unified inbox management, push notifications, advanced search, and secure sign-in options for a seamless email experience.

Unified inbox for multiple accountsFast and secure sign-inPush notifications for new emails
🔧 Utilities
(2K)
free with in-app purchases
20
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

FAQ about Microsoft Outlook Free

What are the best microsoft outlook free apps for iPhone?
Microsoft Outlook tops our microsoft outlook free apps ranking as of August 2026, with a 4.8-star average from 9.2M App Store ratings, and it's free to download.
Microsoft Outlook shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 237+ microsoft outlook free apps on the iOS App Store as of August 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.