Thunderbird | Specific Button to Automatically Fold all Folders in the Left Column

[jesuismonsieurb]

I use more than 90 folders to tidy my inbox. When I need to access a specific folder or a different email account, it sometimes is painful to scroll until I find the one I need. Would it be possible to set a specific button (or simply a ctrl-clic on any folder) to fold all the folders and get a clean space?

[Jon]

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