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Microsoft installed an update and it reduced the font size in the T-Bird address bar, the menu bar and all three mailboxes. How can I fix it? Please help me.

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Microsoft installed an update and it reduced the font size in the T-Bird address bar, menu bar and all three mailboxes. How can I increase the font sizes in all three places? Please help me.

Microsoft installed an update and it reduced the font size in the T-Bird address bar, menu bar and all three mailboxes. How can I increase the font sizes in all three places? Please help me.

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Try the Theme Font & Size Changer add-on.