It helps you back up e-mails, tasks, and contacts from your Gmail account.
Gmail Contents Exporter 2.1 : Main Window

Alternative downloads

Mia for Gmail
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Mia for Gmail (was Notifier Pro for Gmail) is a desktop Gmail client which sits politely in your menu bar.

Exporter for Contacts
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It exports contact data from the Appleā€™s Contacts app into various formats.

Entourage Contact CSV Exporter
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It opens Microsoft Entourage RGE Archives and exports the contacts as CSV.