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Can I revert to an older version so I can run mailmerge?

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bill20
bill20
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I was using an older version of Thunderbird and Mail Merge. Thunderbird updated itself to a version that won't allow Mail Merge I want to revert to an older version of Thunderbird. Will I lose my present addresses and e-mail history?

I was using an older version of Thunderbird and Mail Merge. Thunderbird updated itself to a version that won't allow Mail Merge I want to revert to an older version of Thunderbird. Will I lose my present addresses and e-mail history?

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Matt
Matt
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duplicate here https://support.mozilla.org/en-US/questions/1266720