Use
MailtoX Desktop to export Gmail message subject lines from a label to Excel.
Steps
1. First using Gmail select all messages and create a label from your search
2. Using MailtoX select
Gmail from the Email Source list at the left
3. Select the label that you want to export from Gmail
4. Select
Export Parts from the Email Targets list at the right
5. Select the (1)
email fields that you want to export and (2) the target file
6. Press on
OK. to close the dialog and press on OK again to close the Quick Extract dialog.
7. Press on Execute Job to start the extraction job. The selected label will be processed and the messages will be exported to Excel.