I've just tried this program, windows-mail-backup and it works.
I've used the trial version and it's ok. You'll get an advert to buy the pro version for nine seconds on closing/opening it but that's also ok for me.
I've only backed up the "kalendar" so won't know about the rest of the backups.
I downloaded and installed the software. Created a backup folder just for the calendar and it saves in documents as windows mail userprofile.
Copied the zip installer file and the userprofile folder on to a flash drive.
On my Win 7 64 bit laptop I installed the program and copied the userprofile folder on to the desktop (for ease of use). Opened windows live mail and logged on. Opened calendar. Ran the program and selected restore backup. Selected the yellow folder to search for the backup file and selected desktop and it found the backup folder. Clicked on next, got a couple of error windows up but they cleared and it backed up. Calendar didn't show any different until I went back to mail then back to calendar. All the changes I made on the desktop calendar appeared on the laptop calendar without having to log on to my hotmail account to 'share' it. Sorry it's long winded! Here is the download page, click here
PS scanned the files before and after intalling and ok.