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Why won't the address book save the addresses I enter?

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Ever since we have had Thunderbird, we have not been able to add any addresses to the address book. Weird thing is, we added one address when we first started, and that address is saved! But after that and ever since, no other addresses are saved when we add them. Here's what happens: We add a new contact, input the info and click OK. While Thunderbird is still open, the contact appears to be saved in the address book, and can be viewed. But as soon as Thunderbird is closed, and reopened, the address disappears and we are left with only that one address we added when we first started and nothing more. Hope someone can help with this!

Ever since we have had Thunderbird, we have not been able to add any addresses to the address book. Weird thing is, we added one address when we first started, and that address is saved! But after that and ever since, no other addresses are saved when we add them. Here's what happens: We add a new contact, input the info and click OK. While Thunderbird is still open, the contact appears to be saved in the address book, and can be viewed. But as soon as Thunderbird is closed, and reopened, the address disappears and we are left with only that one address we added when we first started and nothing more. Hope someone can help with this!

Chosen solution

Help menu (Alt+H) > Troubleshooting information Click on the show folder button. Close Thunderbird In the explorer windows that opened Rename abook.mab to abook.mab.old. Restart Thunderbird and try again.

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Chosen Solution

Help menu (Alt+H) > Troubleshooting information Click on the show folder button. Close Thunderbird In the explorer windows that opened Rename abook.mab to abook.mab.old. Restart Thunderbird and try again.

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Hi Matt, Executed your directions and so far it appears to be working. Are you able to provide any insight as to the technical reason for this problem, and how adding 'old' to the end of the abook.mab file name fixes it? Just curious. Thanks for the help! Appreciate it.