Forum Discussion
File modified date missing
I use xnview to change exif file dates, I have a folder with a hundred or so jpgs, 20 of these don't have a file modified date, it's empty in file explorer and also in file properties. If I use xnvie...
The files could have been copied from different sources or downloaded from the web with missing or invalid metadata. The 31/12/1969 date (or similar) appears because of how the system interprets a zero or invalid timestamp — it’s a common default in some systems.