Fix Thunderbird won't let you sign in to Gmail

Open the Thunderbird email client.
Select Tools > Options > Privacy.
Check whether "Accept cookies from sites" is enabled, or if the mail server is listed as an exception.

How do I enable Gmail in Thunderbird?
Why can't I sign into my Gmail account on my laptop?
How do I fix Gmail login problems?
Why can't I log into my Gmail account?
Why is my Thunderbird email not working?
Is Gmail a POP or IMAP?
Can not Recover Gmail account?
How do I fix my email not working?
How can I restore my Gmail account?
How do I fix Gmail problems?
What to do if Gmail is not opening?
Why are my emails not showing up in my inbox?

How do I enable Gmail in Thunderbird?

Add Your Gmail Account to Thunderbird Using IMAP

Sign in to Gmail.
Click the gear icon in the upper-right and select Gmail settings at the top of any Gmail page.
Click Forwarding and POP/IMAP.
Select Enable IMAP.
Configure your IMAP client and click Save Changes.

Why can't I sign into my Gmail account on my laptop?

Reset the Gmail Login

Enter the Gmail email address for the account that doesn't sign in. ... Open the email sent that includes the verification code. Enter the verification code received, and click the Next button. Users can reset their Google Account passwords by clicking on the Forgot password.

How do I fix Gmail login problems?

In any of these cases, you can try several steps to get things back up and running.

Update the Gmail app. Sometimes an older, outdated version of the app can have trouble getting mail from Google. ...
Restart your device. ...
Verify your connectivity. ...
Check your Gmail settings. ...
Clear your Gmail app data.

Why can't I log into my Gmail account?

If you can't sign in to your Google Account in Gmail, Google Drive, Google Play, or elsewhere, select the issue that most closely applies to you. Follow the instructions for help getting back in to your account. Why can't you sign in? ... You can't sign in to a device or app.

Why is my Thunderbird email not working?

Your antivirus or firewall might be preventing Thunderbird from delivering your messages. Or they could be blocking the emails coming to your inbox. To test if your antivirus or firewall is blocking outgoing emails, simply disable the tools.

Is Gmail a POP or IMAP?

When you use IMAP, you can read your Gmail messages on multiple devices, and messages are synced in real time. You can also read Gmail messages using POP. Note: To avoid temporarily locking yourself out of your account, make sure you don't exceed 2500 MB per day for IMAP downloads and 500 MB per day for IMAP uploads.

Can not Recover Gmail account?

I have no access to my recovery email, phone, or any other option

Go to the Google Account Recovery page.
Enter your email address and click Continue.
If you are asked to enter the last password you remember, click I don't know.
Click Verify your identity which is located under all of the other options.

How do I fix my email not working?

Start with these suggestions:

Verify your internet connection is working. If it's not, there are four things you can do to fix it.
Make sure you're using the correct email server settings. ...
Confirm your password is working. ...
Confirm you don't have a security conflict caused by your firewall or antivirus software.

How can I restore my Gmail account?

Follow the steps to recover your Google Account or Gmail. You'll be asked some questions to confirm it's your account. Answer as best you can. ...
Reset your password when prompted. Choose a strong password that you haven't already used with this account. Learn how to create a strong password.

How do I fix Gmail problems?

Troubleshooting steps

Step 1: Update your Gmail app. To get the latest fixes on problems with sending or receiving mail, update your Gmail app.
Step 2: Restart your device.
Step 3: Check your settings.
Step 4: Clear your storage. ...
Step 5: Check your password. ...
Step 6: Clear your Gmail information.

What to do if Gmail is not opening?

How to Fix It When Gmail Doesn't Load

Restart the computer. ...
Make sure the browser works with Gmail. ...
Use another browser or device. ...
Check the browser extensions or plug-ins. ...
Clear the browser cache and cookies. ...
Check to see if Gmail is down. ...
Temporarily disable antivirus software.

Why are my emails not showing up in my inbox?

Fortunately, you should be able to find the source of this problem with a little troubleshooting, and the most common causes of missing mail are easily fixed. Your mail can go missing from your inbox because of filters or forwarding, or because of POP and IMAP settings in your other mail systems.