Mark Subfolders Read

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от Loic Chauvin Март 27, 2026 · permalink

Hello,

Thank you for this extension, which addresses a real need in Thunderbird.

Unfortunately, I have noticed that the recursive marking does not work beyond one level deep. In my case, my folder structure goes 6 levels deep (e.g. Courriers Classés de Loïc → Achats → C → Carrefour → 2026 → Aspirateur de chantier Karsher WD2), and when I right-click on the top-level folder and select "Mark Subfolders Read", only the immediate subfolders are marked as read — deeper levels are not affected.

I had to right-click on the folder at the very bottom of the hierarchy to get it marked as read, which defeats the purpose of the extension.

Could you look into making the recursion work for all nesting levels, regardless of depth?

Thank you for your work and for your responsiveness — I can see from the reviews that you are quick to address issues.

Best regards