Own Archive is used to store data no longer used in your day-to-day business. In some cases, you will need to search for particular records in Archive to continue to operate your business. The Archive Search capability allows you to search archived records related to your Salesforce org.
Archive Search is intended for Admin, Legal and HR users. Any Users granted access to Archive Search will have access to all records.
You must have the “Archive Search” permission set on your org.
For more information, see here.
For any Archive Search FAQs, see here.