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Learn how to protect your privacy and secure your data.

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Common Myths about Private Browsing

Enhanced Tracking Protection in Firefox for desktop

Avoid and report Mozilla tech support scams

Third-party trackers

Private Browsing on Firefox for Android

Does Firefox share my location with websites?

Private Browsing in Firefox for iOS

Insecure connection password warning in Firefox

Configure DNS over HTTPS protection levels in Firefox

Choose a strong password

Automatically fill in credit card and payment method data on Web forms

How do I set up Sync on my computer?

Protect privacy while using Web Authentication

Introducing Total Cookie Protection in Standard Mode

Firefox Password Manager - Alerts for breached websites

Telemetry collection and deletion

Delete browsing, search and download history on Firefox

Pop-up blocker settings, exceptions and troubleshooting

Private Browsing - Use Firefox without saving history

Enhanced Tracking Protection in Firefox for Android

Use a Primary Password to protect stored logins and passwords

Remote Content in Messages

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

HTTPS-Only Mode in Firefox for Android

How does built-in Phishing and Malware Protection work?

Global Privacy Control

How to manage your camera and microphone permissions with Firefox

Automatically trust third-party root certificates

Privacy-Preserving Attribution

How do I turn on the Do Not Track feature?

Mozilla Monitor - Frequently asked questions

HTTPS-Only Mode in Firefox

How do I choose what information to sync on Firefox?

How to set up Firefox Sync in Firefox for Android

Microsoft OAuth Authentication and Thunderbird in 2024

Why are some add-ons not allowed on sites restricted by Mozilla?

SmartBlock for Enhanced Tracking Protection

Mixed content blocking in Firefox

Search suggestions in Firefox

Password Manager - Remember, delete and change passwords in Thunderbird

Enhanced Tracking Protection in Firefox for iOS

How to use Firefox containers

My sign in was “blocked for security reasons” on Mozilla account

Mozilla account - Managing account data

Introduction to End-to-end encryption in Thunderbird

Firefox DNS over HTTPS

Secure Firefox passwords with device sign-in

How to stop Firefox from making automatic connections

How Firefox securely saves passwords

Clear browsing history in Firefox for iOS

Site Information panel

DNS over HTTPS (DoH) FAQs

Clear cookies and website data for a single domain in Firefox for Android

Secure your Mozilla account with two-step authentication

Site Permissions panel

Turn on/off saved logins, login sync and login autofill in Firefox for Android

Total Cookie Protection and website breakage FAQ

Resist Fingerprinting

How do I tell if my connection to a website is secure?

Protect your Thunderbird passwords with a Primary Password

Sync bookmarks, logins and browsing history on Firefox for iOS

Set up a passcode and Face ID in Firefox for iOS

Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication

Firefox privacy and security features

Thunderbird Android Telemetry

Share data with Mozilla to help improve Firefox

Clear your browsing history in Firefox for Android

Send usage data on Firefox mobile browsers

Remove a synced device from your Mozilla account

Manage your logins with the Firefox Password Manager

Browsing history in Firefox - View the websites you have visited

Thunderbird Telemetry

Disable password saving in Firefox

Why do I get a harmful download message when downloading Firefox on Windows?

Instructions for obtaining a personal S/MIME certificate by creating a CSR

Firefox connection upgrades - HTTP to HTTPS

Clear your browsing history and other personal data on Firefox for Android

Secure website certificate

About Firefox Desktop Attribution

How do I know the status of my sync?

How Firefox Sync keeps your data safe even if TLS fails

Disable Firefox Sync

OpenPGP in Thunderbird - HOWTO and FAQ

Use Web Apps with Firefox for Android

Delete sync data from Firefox by signing out of your Mozilla account

Firefox accounts renamed Mozilla accounts - What you need to know

Understand Encrypted Client Hello (ECH)

Encrypted Client Hello (ECH) - Frequently asked questions

OpenPGP in Thunderbird for Android - How To

Block and unblock websites with parental controls on Firefox

How do I share Firefox between people on a computer?

How to stay safe on the web

Change your Mozilla account password

Suspicious activity on my Mozilla account

Autofill logins on Firefox

Activate Firefox Relay - Mask your email address

Create an email mask through Firefox Relay

Grant camera access to Firefox for Android

OpenPGP Recipient Alias Configuration

How do I reset Mozilla VPN?

Usage Data Changes for Firefox for iOS and Android

Recommended Firefox privacy and security settings for families

Resolve breaches with Mozilla Monitor

Unlink your Google or Apple ID from your Mozilla account

HTTPS-First upgrades to secure connections

Disable Firefox Sync on a lost phone or tablet

How do I enable the Firefox OS phone lock?

Master password requested but not set Redirect 1

Certificates

Why does Thunderbird warn me that my server don't use encryption?

Digitally Signing and Encrypting Messages

How Thunderbird’s scam detection works?

How can I digitally sign and encrypt emails?

Customize Firefox Home on iOS

Keep Private Browsing tabs open after exiting Firefox

Firefox Monitor

How do you use Google Firebase in Firefox?

How do you use Adjust in Firefox?

Tracking Protection in Firefox Preview

Firefox Subprocessor List

"Certificate cannot be trusted" warning in Kazakhstan

Change your two-step authentication device for your Mozilla account

My privacy settings were changed from Custom to Standard

Primary Password is replacing Master Password

Telemetry collection - Windows default browser trends

Disable email forwarding - Stop receiving emails sent through your masks

Primary Password is replacing Master Password in Thunderbird

Install the Firefox Relay extension on Firefox for desktop

What to do after a data breach

Unsafe properties of OpenPGP keys might be ignored

Search your browsing history in Firefox for iOS

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

How does Firefox for iOS use the permissions it requests?

How do I monitor multiple email addresses?

Data broker scan

Global Privacy Control in Firefox for Android

Monthly Monitor Report Email

Generate strong passwords in Firefox for Android

Securing a New Partner for Monitor Plus

Getting started with Thunderbird for Android

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