Hi Tony, Th text file with was included in the downloaded zip file reveals the following (once translated) :- ASV.ov2 - Areas of Verified Services APV.ov2 - Areas of Verified parking Lot (or stationnement) AAV.ov2 - Areas on Verified Expressways ACV.ov2 - Areas on Verified Camping The ASNV, APNV, AANV and ACNV are the same as above but not verified. Translating the following was 'interesting' :- ‘Aires.ov2 ' - do not use in method of navigation. This file serves to facilitate the research of an area nearby, whatever the area type. Hope this helps W2G