https://connect.mozilla.org/t5/discussions/transfer-address-book-from-live-mail/m-p/57901#M20378 <P>Having tried exporting to a CSV file and importing that - failed miserably - I exported to vCards and tried importing them.&nbsp; However Thunderbird imports them ONE AT A TIME!.&nbsp; They suggest an upgarde add-on but this downloaded a file which I didn't know how to open.&nbsp; The best idea was to open a Cmd window in the folder with all of the vcards and merge them by typing copy *.cvf merged.vcf.&nbsp; If you try to view the merged file, you get a succession of vcard popup windows so hold the Esc key down until they come to an end.&nbsp; Import the merged.vcf file using the import vcard option - it finishes with an error message but they will all have been imported perfectly.</P> Thu, 23 May 2024 15:46:12 GMT mjs 2024-05-23T15:46:12Z https://connect.mozilla.org/t5/discussions/transfer-address-book-from-live-mail/m-p/57901#M20378 <P>Having tried exporting to a CSV file and importing that - failed miserably - I exported to vCards and tried importing them.&nbsp; However Thunderbird imports them ONE AT A TIME!.&nbsp; They suggest an upgarde add-on but this downloaded a file which I didn't know how to open.&nbsp; The best idea was to open a Cmd window in the folder with all of the vcards and merge them by typing copy *.cvf merged.vcf.&nbsp; If you try to view the merged file, you get a succession of vcard popup windows so hold the Esc key down until they come to an end.&nbsp; Import the merged.vcf file using the import vcard option - it finishes with an error message but they will all have been imported perfectly.</P> Thu, 23 May 2024 15:46:12 GMT https://connect.mozilla.org/t5/discussions/transfer-address-book-from-live-mail/m-p/57901#M20378 mjs 2024-05-23T15:46:12Z