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Restore old folder structure and fix Gmail not receiving after Windows 10 update

Thunderbird Profiles
david replied 17 hours ago
Ilya Dedov
Ilya Dedov

Hello! After a Windows 10 update (around September 5, 2026), Thunderbird stopped receiving Gmail messages. Laptop: Dell, Windows 10. Account: Gmail. The problem occurs both in Russia and abroad. My emails were organized into a folder structure created inside Thunderbird. The most important thing for me is to restore this internal folder structure with all its messages. What we tried: • We kept the old Thunderbird profile folder as a backup and created a new profile. • In the new profile we switched the account to POP3 so that emails are stored on the computer. • Thunderbird downloaded the emails, but only up to a certain date (around 2023). Newer messages did not download. • The old folder structure did not appear in the new profile. Thunderbird version: [version]. Authentication method: [OAuth2 / normal password]. Error message: [error text]. Could you please advise: 1. How to restore my old folder structure from the saved profile folder? 2. How to make Thunderbird download all emails, including the recent ones, and keep receiving new mail? Thank you!

Hello! After a Windows 10 update (around September 5, 2026), Thunderbird stopped receiving Gmail messages. Laptop: Dell, Windows 10. Account: Gmail. The problem occurs both in Russia and abroad. My emails were organized into a folder structure created inside Thunderbird. The most important thing for me is to restore this internal folder structure with all its messages. What we tried: • We kept the old Thunderbird profile folder as a backup and created a new profile. • In the new profile we switched the account to POP3 so that emails are stored on the computer. • Thunderbird downloaded the emails, but only up to a certain date (around 2023). Newer messages did not download. • The old folder structure did not appear in the new profile. Thunderbird version: [version]. Authentication method: [OAuth2 / normal password]. Error message: [error text]. Could you please advise: 1. How to restore my old folder structure from the saved profile folder? 2. How to make Thunderbird download all emails, including the recent ones, and keep receiving new mail? Thank you!

All Replies (1)

david
david
  • Top 10 Contributor

My guess is the old profile uses IMAP. That indicates to me that the folder structure you want is on the server. POP accounts cannot access the server, but only the inbox. To access the folder structure, you need to set up an IMAP account, which can be alongside the POP account.

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