migration
n.
The process of moving data from one information system or storage medium to another to ensure continued access to the information as the system or medium becomes obsolete or degrades over time.
Notes
Copying information onto the same format storage media without any alteration is generally referred to as refreshing.
Citations
Sedona Conference 2014, 340Migration: Moving Electronically Stored Information from one computer application or platform to another; may require conversion to a different format.