A computer-implemented method for archiving related items may include: 1) identifying a data element on a computing device, 2) identifying at least one additional data element on the computing device that is related to the data element, the data element and the additional related data element collectively representing a group of related data elements, 3) determining, by applying an archiving policy to the group of related data elements, that the entire group of related data elements is eligible for archiving, and then 4) archiving the group of related data elements. Corresponding systems and computer-readable media are also disclosed.