Files selected from the list view can be output in a batch. It's available on a Visualforce page or in a flow.
The paid version has no limit on the number of batch outputs.
The free version can output up to two files at a time.
・Visualforce page ・・・ Only file output and saving are available.
Batch File Output from ListView
・Flow ・・・ In addition to file output and saving, it is possible to update records and send email attachments in a batch.