You can Archive applicant actions in bulk. The user must not have the Restriction Archive Applicant Actions set on their account, so you will need to check your role permissions.
Go to My Actions and then click Applicant Actions
Change the view to Table View (
)
Set your filters in table view (
) suggest OWN
and then on the Created-on Date
set this to before XX date
Move back in to List view (
)
and select the ones you want to Archive
Once happy with your selection, click on Action and then click Archive
You will receive a popup with the count of Applicant Actions you are about to Archive, click Yes
📌 Note: You can Select all, but to be confident on the process you might want to do this on a couple of smaller sets of data in the first instance.