We recommend that you always use the most recent and stable release of your web browser when possible:
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Constant Contact is compatible with the following commonly used web browsers:
If you're using an older version of a supported browser, it may still work, but issues specific to that version of the browser may not be fixed.
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If you're using an unsupported browser (Opera, Vivaldi, Brave, PaleMoon, SeaMonkey, Qwant, etc.), you'll see a special message notifying you that it isn't supported. We won't prevent you from using the browser, but you may run into issues because we can't guarantee that it is 100% compatible with Constant Contact.
To help our customers have the best experience possible when using Constant Contact, we also prevent very old versions of supported browsers from accessing our service. If you log in to Constant Contact with one of these browser versions, you’ll see a special message asking you to update or use another browser. We currently block:
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