Initialize Thunderbird using Profile Manager

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Thunderbird is an open source email client developed by the non-profit corporation Mozilla.

Mozilla is a famous organization for developing the web browser Firefox (Firefox).

Firefox has achieved the only browser position that can compete with Google Chrome, but Thunderbird is also known as a high-share email client.

Thunderbird supports POP3 and IMAP4 protocols.

If you set up your Gmail account with IMAP4, you can use Gmail on a device other than the computer on which Thunderbird is installed.

Thunderbird manages account information, incoming e-mails, etc. with User Profile, so it is possible to use multiple user profiles.

When the operation of Thunderbird becomes unstable, it can be initialized.
There are the following ways.

1. Create a new profile
2. Reinstall

This post describes the steps to create a new user profile and initialize Thunderbird.

Instructions for reinstalling Thunderbird are summarized in a separate article, so please refer to the related article links at the end of the sentence.

Steps to create a new user profile

If you set a newly created user profile as a commonly used profile, all Thunderbird settings will be initialized to the state immediately after installation.

The old user profile remains, so you can switch back to the previous environment by switching to that user profile.

1. Start Profile Manager

Since Profile Manager can not be launched from Thunderbird, launch “Run” and enter the command.

1. Run with file name ( Win + R )
2. Name: thunderbird.exe -p

2. Click Create New Profile

3. Start profile creation wizard

Click [Next].

4. Complete Profile Creation Wizard

Enter a name for the new profile and click Finish.

If you specify an existing profile name, you can not click the [Done] button, so give a unique name.

5. Select the newly created profile

After confirming that Use this profile is checked in the future, click on “Start Thunderbird”.

6. End of procedure

This is the end of the procedure.

Profile backup

Profiles are very important, so be sure to back them up.

Notes on deleting Profiles folder

When setting up mail server settings with POP3, deleting user profiles will delete received emails.

There is no problem with IMAP4.

POP3 | IMAP4

POP3
Please note that if you delete the Profiles folder with Thunderbird's Incoming Server setting set to POP3 and "Leave Mail on Server", the emails received so far will also be deleted.

IMAP4 (IMAP)
If the receiving server setting is IMAP, the mail entity is on the server, so deleting the Profiles folder will not delete the mail.

Profiles

Profiles.ini location
C:\Users\\AppData\Roaming\Thunderbird\profiles.ini

Profiles folder location
C:\Users\\AppData\Local\Thunderbird\Profiles
C:\Users\\AppData\Roaming\Thunderbird\Profiles

Afterword

Mail migration method

Thunderbird doesn't have mail import /export function, so if you want to use old profile mail with new profile, use Thunderbird add-on ImportExportTools.

Thunderbird's well-known freeware MozBackup can back up and restore Thunderbird settings, but it does not have mail import /export functionality.

Please read the related article for information on ImportExportTools.

About the profile of Thunderbird, we reprint the information of the official site.

The Thunderbird profile mainly contains two items. One is your local email and a copy of the email on the server. The other is the changes you made to Thunderbird, such as account settings and toolbar customization.
Thunderbird's profile

 External link

• Use Multiple Profiles | Mozilla
• Thunderbird's Profile | Mozilla
• Thunderbird — Make Mail Easier. — Mozilla

Verification: Thunderbird 52.2.1
Windows 7 32-bit

：SC2

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