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I want to sync my TB contacts with gmail contacts, but can't find an add-on that is valid (Google Contacts and gContactSync aren't "signed"); any suggestions?

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I'm using TB 45.2 on a Win 7 PC. I think gContactSync ought to work; Google Contacts hasn't been supported for years.

I'm using TB 45.2 on a Win 7 PC. I think gContactSync ought to work; Google Contacts hasn't been supported for years.

Chosen solution

gContactSync works fine here. Thunderbird doesn't enforce signed add-ons.

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Chosen Solution

gContactSync works fine here. Thunderbird doesn't enforce signed add-ons.

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Thanks, Christ1. I'm not sure what I was doing differently the first 3 times when it aborted due to being unsigned, but this time it loaded properly, and appears to be syncing correctly. Thanks! :-)