How to
- Log in to Pocket with your Firefox account
- Maildir in Thunderbird
- Maildir in Thunderbird Redirect 1
- Make calls and access voicemail on Firefox OS
- Make Firefox for Enterprise the default browser
- Make Firefox the default browser on Android
- Make Firefox your default browser
- Make Firefox your default browser on Windows
- Make Thunderbird 3 Look Like Thunderbird 2
- Make Thunderbird the Default Mail Client
- Manage bookmark folders in Firefox for Android
- Manage Downloads preferences using the Downloads menu panel
- Manage Downloads preferences using the Downloads menu panel Redirect 1
- Manage extension shortcuts in Firefox
- Manage file types and download actions in Firefox
- Manage Firefox updates
- Manage Firefox with Microsoft Endpoint Manager (Intune)
- Manage Flash in Firefox for Enterprise
- Manage local site storage settings
- Manage logins on Firefox Lockwise on desktop
- Manage my default search engines in Firefox for Android
- Manage my default search engines on Firefox for Android
- Manage newsletter and email preferences
- Manage notifications in Firefox for Android
- Manage Optional Permissions for Extensions
- Manage optional permissions for Firefox extensions
- Manage optional permissions for Firefox extensions on Android
- Manage passwords on Firefox desktop with Firefox Lockwise
- Manage photo and video gallery
- Manage policies on macOS desktops
- Manage saved passwords in Firefox for Android
- Manage saved passwords in Firefox for Android Redirect 1
- Manage saved passwords in Firefox for iOS
- Manage tabs in Firefox for Android
- Manage the devices linked to your Mozilla account
- Manage your extensions using the extensions button in the toolbar
- Manage your extensions using the unified extensions button
- Manage your logins with the Firefox Password Manager
- Manage your Mozilla account newsletter and email preferences
- Manage your Top Sites in Firefox for Android
- Managing Account Data
- Managing account data - AMO (addons.mozilla.org)
- Managing account data - Bugzilla
- Managing Account Data - Common Voice Accounts
- Managing account data - Discourse
- Managing account data - Firefox Accounts
- Managing Account Data - Hubs
- Managing account data - MDN
- Managing account data - Moderator
- Managing account data - Mozillians.org
- Managing account data - MozReps
- Managing account data - Pontoon
- Managing account data - Splash
- Managing account data - SUMO
- Managing account data - Thimble
- Managing add-ons on Firefox for Enterprise
- Managing devices using Firefox Accounts
- Managing file types
- Managing Firefox Updates
- Managing Firefox with Microsoft Endpoint Manager (Intune)
- Managing Firefox with Microsoft Endpoint Manager (Intune) Redirect 1
- Managing Firefox with Microsoft Endpoint Manager Redirect 1
- Managing policies on Linux desktops
- Managing policies on macOS desktops
- Managing policies on OSX desktops
- Managing profiles
- Managing profiles Redirect 1
- Managing registered devices on Firefox Private Network
- Managing registered devices on Mozilla VPN
- Managing the Flash plugin
- Manual Account Configuration
- Maps and locations
- Maps and locations on Firefox OS
- Marketplace apps for Firefox Desktop
- Marketplace payment or app issues
- Mask your phone number with Firefox Relay Premium
- Mask your phone number with Relay Phone Masking
- Mastering the Tab Group Editor
- Master Password
- Master password users: migrate your logins to the new Firefox for Android
- MDN - Managing account data
- Media Controls in Firefox for Android
- Media Controls in Firefox for Android Beta
- Media Controls in Firefox Preview
- Menu Reference
- Menu Reference TB
- Message List Columns
- Message Tabs
- Message Tags - Categorize your email in Thunderbird
- Message threading in Thunderbird - keep messages grouped by conversation
- Migration Assistant
- Mixed content blocker in Firefox for Android
- Mixed content blocking in Firefox
- Mobile Accessibility Features
- Mobile keyboard shortcuts - Perform common tasks using the keyboard
- Mobile Optimized Websites in the Marketplace
- Mobile-Optimized Websites in the Marketplace
- Mobile Private Browsing - Browse the web on your mobile device without saving or syncing information about the sites you visit
- Moderator - Managing account data
- Monthly Monitor Report Email