As an admin, you can export a file with the 1:1 relationship activity for your organization.
Know that 1:1s are happening to ensure follow up conversations are fostering development company-wide.
You can use this data to know who in the organization has 1:1 relationships and how recently they've added new topics or notes.
Go to the Activity page and select the 1:1s tab on the top.
Select 'Download 1:1 Report'. The export is set in a CSV format, learn how to convert the export file into an Excel file or Google sheet here.
The export will provide you with a list of created relationships per person and the time when they were created.
Per relationship you are able to see:
last topic created type
last topic created at
last topic created by
last topic completed at
last topic completed by
last topic completed type
last note created at (does not show for which topic)
last note created by (does not show for which topic)