IPA: /ɑːrˈkɪvəli/
KK: /ɑrˈkɪvəli/
In a way that relates to the storage and preservation of documents or records for future reference.
The documents were stored archivally to ensure their longevity.
Archivally → It is formed from "archive" (from Latin "archivum", meaning a public record office or collection of records) and the suffix "-ally" (meaning in a manner relating to). The word "archivally" means in a manner relating to archives or records.
Think of 'archive' as a place where records are kept, and '-ally' means in a manner. So, archivally means in a manner related to keeping records.