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This shows you the differences between two versions of the page.

--- software:thunderbird [2026/10/03 18:00] – superwizard
+++ software:thunderbird [2026/10/03 18:03] (current) – [Crazy characters in email] superwizard
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+====== copy your Thunderbird setup ======
+To copy your Thunderbird setup, emails, address books, and preferences to a new computer, you need to transfer your complete Thunderbird profile folder.
+  - **Close Thunderbird and Locate the Folder on Your Old Computer:** Old PC.
+Ensure Thunderbird is completely closed. On Windows, press ''Windows Key + R'', type ''%appdata%'', and press Enter. Find the folder named **Thunderbird**. //(If you are on a Mac, look in ''~/Library/Thunderbird/'').//
+  * **Verification:** Confirm that you see the ''Thunderbird'' folder containing a ''Profiles'' subfolder.
+  - **Copy the Folder to an External Drive:** USB Drive.
+Copy the entire **Thunderbird** folder onto a USB flash drive or external hard drive.
+  * **Verification:** Check that the folder copied successfully and sits completely on your external drive.
+  - **Install and Initialize Thunderbird on Your New Computer:** New PC.
+Download and install Thunderbird on your new computer. Open it once, and then **close it immediately**. Do not set up or configure any email accounts when prompted.
+  * **Verification:** Ensure Thunderbird is fully closed and not running in your system tray or background processes.
+  - **Replace the Profile Folder on Your New Computer:** New PC.
+On the new computer, open the AppData directory by pressing ''Windows Key + R'', typing ''%appdata%'', and pressing Enter. Delete or rename the default **Thunderbird** folder there, then paste the **Thunderbird** folder from your USB drive into this location (overwrite or replace existing files if prompted).
+  * **Verification:** Open Thunderbird; your previous email accounts, custom folders, messages, and settings will load automatically.
+Are you moving between the same operating systems (such as Windows to Windows), or are you switching between different platforms like Windows and Mac?
 ====== Crazy characters in email ======