With Claws-Mail 3.9 under Windows 7, and vCalendar 2.0.14cvs3, the calendar export seems not working. I've tried the auto and manual export, and there is no file created at the specified location. I haven't this problem with the lastest GNU/Linux version.
I'd like to confirm that there is problem with the calendar export. I'm using --alternate-config-dir, but Claws wants to store ICS file only in the subfolder of C:\Users\MyUser\AppData\Roaming. Software: Claws Mail 3.9.2-55-g74b05b vCalendar 3.9.2git55 Win7 x64