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I want to create a rule that applies only to one folder. Essentially, I get various notifications that I want to keep for a couple of months, but don't need permanently (e.g. appointment reminders, visa notifications, etc.). I have rules that work properly to move the message to the correct folder, but I want to create a rule that will delete the message IN THAT SPECIFIC FOLDER after 60 days. I most certainly don't want to delete messages in the inbox or other folders that I need to keep permanently. 1. Is there a way to do that? 1a. If there isn't, can it be suggested as an enhancement? 2. If there isn't, is there a better way to do this that I can't think of?

I've added a screenshot of one of the rules that I've created that works correctly. I need to be able to delete that message without deleting any messages in other folders.

I was a COX cable Email customer, when they stopped providing Email my account went to YAHOO, but the Email address stayed the same. I have been using TBird for years. My old computer died, the person that set up the new one could not set up Tbird. I am trying but it says my cox.net site could not be found. PLEASE HELP ME! I love Tbird and hate YAHOO!

Hello Good day,

With thunderbird I have tidied up my e-mails at server at googlemail.com yesterday ?!

I have deleted 50 percent of "all-inbox" and of "sent messages".

This means that - before this - 12,9 GB of memory at googlemail.com were used. Now it should be at about 6 GB of memory used actually ?!

In thunderbird-window below it is said that 12.9 GB of memory are still used ?!

Normally it should be at 6 GB of memory are now used ?

Thunderbird says still "storage is 85 percent full" ?!

Have I to wait some days until memory usage is actualized ?

Thank you for answer. Greetz. dschinn1001

Since about round about two weeks the drag & drop funktion is not working properly a) I can't move contacts per drag & drop in a specific addressbook b) Also I can't move/copy emails from e.g. inbox into a specific email subfolder

Is in addressbooks a function to move a selected contact from one addressbook into another addressbook? I didn't find it yet...

I can delete email one at a time, but I have some folders that have over 1,000 messages. With the election coming up, I have collected so much political email and I want it all gone. Unsubscribe seems to delete one and 5 more pop up! Thanks!

Mostly the Trash and Drafts folders shown very large, incorrect numbers, in the hundred. Even if I mark as the folder read or empty the folder. Numbers don't change, just keep growing. Any ideas? I've tried some suggfestions from the internet but none work

メール内の画像が表示されません リモートコンテンツを許可する (画像とスタイル)(M)、添付をメッセージ本文に表示する(M)にチェックを入れ、メール形式はオリジナルHTMLになっています。 画像枠は表示され、クリックするとWEBで画像は表示されます。 OS：win11_25H2 thunderbird：158.0.1 (64 ビット) 解決方法のご教授、よろしくお願い致します。

Im not sure what the heck happened about a month or so ago, and I have still not resolved it. I did check on thing that was suggested to me, but it didnt really make much of a difference. After an update at about that time, my email folders I made appeared all wacky in the sense that some folders were grayed out, but still retained subfolders (with their contents) in them. I dont know what that means or why they are grayed out. I also noticed a bunch of folders named Userfolder with a number after that. They contain many emails in each one, like they were removed from the original folder they were in. So I dont know, for most of them, what folder I had them in. Im thinking I can try and match them to the grayed folder they might belong to, but not sure on where some go. I have no idea why this happened, and I have been trying to use Thunderbird since then. Im attaching a photo of what part of my Thunderbird, folders & grayed out folders look like. I just want to know how to correct this and get things back in order. I dont know if I did something in the settings or what. Plus this was over a month ago. Ive just been using my yahoo mail account on the web.

I had heard that Thunderbird is a great ad-free alternative and I started using it some time back as an alternative to direct Yahoo or GMail use. I did not know that your default is to delete (from the server also!) mail older than 30 days!!!

I've had medical and financial records and other things that I've kept for years on my Yahoo account that are just gone due to your settings. Is there any way that I can recover messages from certain folders?

Bradford Trayler btrayler@yahoo.com

I am unable to move an email from my inbox to my folders.Thunderbird is unable to complete.Get [clientbug]append error message.AI informed me that yahoo did an upgrade and Thunderbird now has is issues with Yahoo and needs to do a upgrade.Is this true?

I accidentally dragged and dropped the "Inbox" of a POP3 account into the "Drafts" folder, nesting it there. I tried to drag the "Inbox" back to its proper location (directly under the account), but I am unable to drop it (the cursor indicating a valid drop target does not appear). What should I do?

Hello,

I urgently need technical assistance with a serious issue involving Mozilla Thunderbird and my professional certified email account (Aruba PEC, Italy).

I have been using Thunderbird to manage my professional email correspondence for several years.

I organize processed emails into yearly folders (2024, 2025, 2026, etc.), located under my email account in Thunderbird, not under Local Folders.

Today, October 13, 2026, I discovered that all emails dated January through September 2026 have disappeared from my "2026" folder.

Only emails from October 2026 remain.

The missing messages include professional correspondence, certified email delivery receipts, acceptance receipts, and potentially legally significant communications.

What I have verified so far:

The "2026" folder exists both in Thunderbird and in Aruba Webmail.

Both display the same remaining emails from October.

The Trash folder is empty.

The 2024 and 2025 folders still contain their messages.

Thunderbird's retention settings are configured to "Don't delete any messages."

The "2026" folder inherits the account's retention settings.

I did not knowingly delete or move these messages.

Aruba customer support informed me that they cannot restore the missing emails.

I checked Windows Previous Versions and OneDrive, but no backup was found.

I located the local Thunderbird mailbox file named "2026" in the profile's ImapMail directory. It is approximately 3 MB.

Inspection of a copy of this file did not reveal message headers from before October 2026.

I could not find another larger copy of this mailbox file in the Thunderbird profile.

I occasionally remove unused folders under "Local Folders", but I do not recall deleting any folder containing these messages. The affected "2026" folder is located under the IMAP email account.

My questions are:

Could Thunderbird have deleted or moved these messages automatically despite the retention settings?

Could IMAP synchronization, folder corruption, message filters, or compaction explain this situation?

Are there any additional Thunderbird files, caches, databases, or recovery methods worth investigating?

Is there any way to identify when or how the messages were deleted?

What steps should I take to prevent further data loss?

I have preserved a backup copy of my Thunderbird profile and would prefer not to perform potentially destructive operations.

This is particularly serious because the missing messages are part of my professional and legally relevant correspondence.

Any technical guidance would be greatly appreciated.

Thank you very much for your help.