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What does the little red number in the Thunderbird logo mean

Matt replied
be8

What does the little red number in the bottom icon tray Thunderbird logo mean?

What does the little red number in the bottom icon tray Thunderbird logo mean?

Alle svar (1)

The number of unread mails. or unseen mail. Depending on your settings in "When new messages arrive" > App icon Options in preferences.