How to Speed Up Thunderbird Account? Get the Best Solutions

About the article: If you are here with a “Not Responding Thunderbird Account”, let’s work it through. We will find a solution here to speed up the Thunderbird email account with expert solutions. From here, you can work on different methods to achieve the result.

Thunderbird Mail is a free, open-source program developed by the Mozilla Foundation. It includes the new feeds, chat clients, etc. With free access to the program, it became one of the most popular email clients among private and professional users. Like any other software, Thunderbird also freezes due to various reasons. If you are here for a similar reason, check the multiple solutions to work on the Thunderbird running slow issue.

Why does Thunderbird Keep Freezing?

If we talk about the reasons why the Thunderbird freezes, it ranges from simple to complex reasons.

• If the Thunderbird application or the device is outdated, there is a high chance that Thunderbird will freeze.
• Storing a large number of emails in the Thunderbird account.
• Corrupted MSF files in the Thunderbird profile
• Mailbox Storage corruption.
• Having multiple add-ons or extensions can cause Thunderbird to run slowly.
• A potential virus could hamper the mail application’s functionality.

How to Speed Up Thunderbird Account in Different Procedures?

We can work to find different solutions to speed up Thunderbird accounts. Here, we have discussed multiple solutions to work on with the Thunderbird freezing issue.

Repair Corrupted Mailbox Folder in Thunderbird

A corrupted mailbox folder is the major reason why Thunderbird freezes while receiving, sending, downloading or deleting emails. Repair the folder and improve the Thunderbird performance.

Steps to Repair Mailbox Folder in Thunderbird

1. Open the Thunderbird application.
2. Go to the folder with issues, such as the Inbox, Sent, Trash, or Spam.
3. Right-click on the folder and select properties.
4. In the Folder Properties Window, click on the Repair Folder button.
5. Wait for Thunderbird to rebuild the folder index.
6. Once the process is complete, restart Thunderbird.

After repairing the mailbox folder, check if Thunderbird is still freezing while receiving the emails.

Disable Unnecessary Add-ons in Thunderbird

If your Thunderbird has multiple add-ons or outdated extensions installed, it can affect performance and cause the application to freeze frequently while downloading attachments.

How to Disable Add-ons in Thunderbird

• Open the Thunderbird Application.
• Click on the Menu from the top right corner.
• Select Add-ons and Themes from the list.
• Go to the Extensions Section.
• Review the installed add-ons carefully.
• Disable the add-ons that are no longer in need.

Now, check whether Thunderbird freezes again while downloading or receiving emails.

Empty the Unwanted Folder (Trash & Spam Folders)

Try deleting emails from the Trash & Spam folders, as they could be the reason why Thunderbird is running slow.  Follow the simple steps:

• Start the Thunderbird Program.
• Select the Spam / Trash Folder and right-click.
• Click on the “Empty Junk” from the list.
• Press the Yes button to complete the task

Run Thunderbird Troubleshoot Mode

• Open the Thunderbird Application and go to the Menu.
• Navigate to “Help” in the drop-down menu
• Select Troubleshoot Mode….
• Now, click on Restart to start the troubleshooting mode.
• Select “Disable all add-ons” or “Reset toolbars and controls“.
• Then click on “Continue in Troubleshoot Mode”
  .
• Now check if the Thunderbird is still running slowly.
• Later, select the “Turn Troubleshoot Mode off” option.

Run Virus Scan

First, check the system for any virus attack, as it could lead to Thunderbird Freeze at times. After scanning for the virus, check the Thunderbird Mail performance.

Use the Compact All Folder Feature to Speed up Thunderbird

• Open Thunderbird Mail Program.
• From the File option, choose “Compact Folders”
• Wait for a while for Thunderbird to compress email folders.

Clear Thunderbird Cache Files

Corrupted cache files can slow down Thunderbird and cause freezing issues while downloading or opening emails. Clearing the cache helps to refresh temporary data and improve performance.

• Open Thunderbird Application.
• Click on the Menu icon and select Settings.
• Go to the Privacy & Security Section.
• Scroll down to the Web content category.
• Click on the Clear Now button next to Cached Web Content.
• Wait for the Thunderbird to remove cache files.
• Restart Thunderbird Mail.

Again, check whether the Thunderbird freezing while sending or receiving email has been resolved or not.

Verify SMTP Server Settings

Having incorrect SMTP Server settings could be the cause of Thunderbird freezing or failing while sending emails. Verify that the outgoing server configuration helps ensure a smooth email transition without any errors.

1. Open Thunderbird Application.
2. Click the Menu icon and Select Account settings.
3. Scroll down and click on Outgoing Server (SMTP).
4. Select the SMTP Server from the list and click on Edit.
5. Verify follow details:
   • SMTP Server Name
   • Port Number
   • Connection Security
   • Authentication Method
   • Username or Email Address
6. Ensure the settings match the email provider.
7. Click on Ok button to save the changes.
8. Restart Thunderbird and try sending the emails again.

Correct the SMTP setting to fix Thunderbird freezing while sending emails and improve the performance.

Update Thunderbird Client to Fix Thunderbird Slow Issue

• Launch the Thunderbird Mail application and go to the menu.
• Now, select Help>>About Thunderbird from the drop-down.
• Check if Thunderbird is updated.
• Go to the Release Notes options and check for any new releases.
• Ensure to update Thunderbird to the latest version.

Configure Automatic Thunderbird compacting

• Start Thunderbird email client.
• Go to the Tools menu and choose Account settings
• Now, select the Disk Space option.
• Set up the account for automated email deletions.

You can also try the solution: How to Delete duplicate emails in Thunderbird?

Try Switching to Another Email Client

Use the Thunderbird Converter to perform the migration of emails from one Thunderbird profile to another account. With the advanced options in the software, users can try moving the emails to another preferred email client directly. Apart from switching to another account, we also have the option of storing the vital data from the account in different file formats.

Why Should I Get a Tool to Fix the Thunderbird Running Slowly Issue 

It has the option to back up or import Thunderbird emails to another account directly. Here are some of the major traits why using this toolkit the best option to speed up Thunderbird.

• Single Software for All Migration: This solution does not need any additional software support to complete the task. Everything works in the interface without the need for any navigation.
• Multiple Options: It has multiple options to process the emails and other data from the Thunderbird account. Either migrate or save the emails to save up storage space, which could be one of the reasons Thunderbird is running slowly.
• Options for Emails as well as Contacts: The user can choose Emails or Contacts before starting the procedure. Select contacts/emails to store in a desired location to further clean up the account.
• Preserves the Data Intact:  In any of the procedures, the data is well preserved, keeping the HTML formatting intact.

For more details: How to backup Thunderbird Emails?

Frequently Asked Questions

Q) How can I make Thunderbird faster?

A) If Thunderbird is running slowly, you can try different methods, such as emptying the folders and running the Thunderbird troubleshooting methods, etc.

Q) How do I clean up my Thunderbird?

A) Use the aforementioned software to store the data in a location as per your preference and then clean up the Thunderbird account. It is recommended to take a backup beforehand.

Q) Why does Thunderbird keep freezing?

A) The reasons could include outdated software, corrupted MSF files, having multiple add-ons, etc.

Conclusion

Here, we discussed multiple solutions to speed up Thunderbird accounts. If you also have a similar issue with Thunderbird freezing, then using the above methods can likely fix it. A complete step-by-step procedure is explained here for the user. Go through each of the procedures, and if the solution is not acquired, then try contacting the support.