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Syncing calendars

  • 2 replies
  • 1 has this problem
  • Last reply by ganda.k

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Using Windows 10 and T'bird 78.7.1 (64bit).

On my previous PC I used Tb Sync and Provider for Exchange ActivSync to sync my calendar with Outlook.

I've downloaded Tb Sync but unable to instal Provider for Exchange ActivSync as the screen tells me that it hasn't been verified. Help!

All Replies (2)

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Try this: open TB Tools/Add-ons/Extensions, type provider exchange in the search box,then in the new tab click Add to Thunderbird for the first result.


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I'm grateful for your advice, it worked straight out of the box.


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