[A] To attach tags to multiple transactions in one go, go to the Transactions module.
[B} Click on the Options button on the right side.
[C] Select the option "Checkboxes"
[D} Now select the checkboxes of all transactions to which the tag is to be added.
[E} Again go to Options and click on "Add Tags"
[F} Using "New Tags"(1) you can add a tag from among the already created tags. Comments up to 8000 characters can also be added. "Create/Edit Tags"(2) can be used to create a new tag or edit the existing ones. Then click "Submit"(3).
[G] The tag gets added to all selected transactions.
Keywords: add tag, add multiple tags