How to Update Microsoft Outlook (Desktop, Web, and Mobile)

Keeping Microsoft Outlook updated ensures you have the latest security patches, bug fixes, and features. This guide covers updating Outlook across all platforms including Windows, Mac, web, and mobile.

Update Outlook on Windows (Microsoft 365)

1. Open Outlook
2. Click File > Office Account
3. Under Product Information, click Update Options
4. Select Update Now
5. Wait for updates to download and install
6. Restart Outlook when prompted

Enable Automatic Updates

1. Go to File > Office Account
2. Click Update Options
3. Select Enable Updates

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Update Outlook on Windows (Standalone Version)

For Outlook 2021, 2019, or 2016 purchased separately:

1. Open Settings > Windows Update
2. Click Check for updates
3. Install any available Microsoft Office updates
4. Restart your computer if required

Alternative method:

1. Open any Office app (Word, Excel, Outlook)
2. Go to File > Account
3. Click Update Options > Update Now

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Update Outlook on Mac

Using Microsoft AutoUpdate

1. Open Outlook
2. Click Help > Check for Updates
3. Microsoft AutoUpdate opens automatically
4. Click Update or Update All
5. Wait for download and installation

Using Mac App Store

If you installed Office from the Mac App Store:

1. Open the App Store
2. Click Updates in the sidebar
3. Find Microsoft Outlook and click Update

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Update Outlook Mobile Apps

iOS (iPhone/iPad)

1. Open the App Store
2. Tap your profile icon (top right)
3. Scroll to find Microsoft Outlook
4. Tap Update (or it shows "Open" if current)

Android

1. Open Google Play Store
2. Tap your profile icon
3. Select Manage apps & device
4. Find Microsoft Outlook under Updates available
5. Tap Update

Enable auto-updates: In app store settings, enable automatic updates for all apps or specifically for Outlook.

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Outlook on the Web

Outlook.com and Outlook Web App (OWA) update automatically—no action required. Microsoft deploys updates server-side, so you always have the latest version when accessing via browser.

To ensure best experience:

• Use a supported browser (Edge, Chrome, Firefox, Safari)
• Keep your browser updated
• Clear browser cache if experiencing issues after updates

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Check Your Outlook Version

Platform	How to Check
Windows	File > Office Account > About Outlook
Mac	Outlook menu > About Outlook
iOS	Settings > Outlook > Version (at bottom)
Android	Settings (gear) > Help & Feedback > About

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Troubleshooting Update Issues

Updates Won't Install

• Restart your computer and try again
• Check disk space: Ensure at least 10GB free
• Run Office Repair: Control Panel > Programs > Microsoft 365 > Change > Online Repair

Update Button Missing

• Your organization may manage updates centrally
• Contact your IT administrator
• Updates may be deployed via WSUS or Intune

Outlook Crashes After Update

1. Start Outlook in Safe Mode: Hold Ctrl while clicking Outlook
2. Disable add-ins: File > Options > Add-ins > Manage COM Add-ins
3. Repair Office installation if issues persist

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Update Channels (Microsoft 365)

Channel	Update Frequency	Best For
Current Channel	Monthly	Latest features immediately
Monthly Enterprise	Monthly (predictable)	IT-managed environments
Semi-Annual Enterprise	January and July	Maximum stability

Your update channel is set by your organization or during installation. Home users typically use Current Channel.

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