For anyone like me who likes to keep a full copy of their photos directory on external hard drives comes this free useful little utility from Microsoft.
http://www.microsoft.com …e41af06eb7&displaylang=en![]()
The neat things is that it has a number of options, one of which (Combine) copies across new files and re-names but not deletions.
Free,useful and Microsoft. Not often you will see those words in one sentence!


