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the list of folders on the left side of the screen is no longer visible. I tried updating to v. 102.3 but it didn't help.

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  • 最后回复者为 Wayne Mery

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I have a new laptop and migrated my files to it. I can open Thunderbird and the messages are still there, but the list of folders on the left side of the screen has disappeared. The folders are still there, and I can guess which one I want and click on it, but I can't see the list any longer.

I have a new laptop and migrated my files to it. I can open Thunderbird and the messages are still there, but the list of folders on the left side of the screen has disappeared. The folders are still there, and I can guess which one I want and click on it, but I can't see the list any longer.
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Try clicking View>Layout>Folder Pane

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Delete folderCache.json in your thunderbird profile