FamilySearch.org has an online database of estate records from across the state that span 1663-1979. Thanks to a collaboration between the NC Genealogical Society (NCGS), the NC State Archives, and volunteer indexers, the database is being made available online at https://familysearch.org/search/collection/1911121.
Use the index below to browse those records specific to Alamance County. Each name in the document below is a hyperlink to the record on the FamilySearch.org website.
Alamance County NC Loose Estates Index by NCGenWebProject
If you are not able to see the embedded file, you can view the index online here.