I think scanning sync deletes my previous calendar items

[wouter]

I needed to check my ours for my employer, because i had the feeling i
did not receive the correct amount of salary. From the time i started
to use spanning sync until now all my calendar points are gone except
from two weeks ago untill the future... how can i turn this of..
because i need to save my information!!

Can anybody help me?

Thanks,

Wouter