If both OSes will not be running simultaneously, then you can just change the Notezilla data folder and let both Notezilla s point to the same data folder.
You can change the folder from the Advanced Tab of Notezilla Preferences. To access Notezilla 's Preferences, right click on Notezilla icon and choose Preferences from the menu.
If you want to access your sticky notes on other devices like your phones etc., then you can use our cloud service. Right click on Notezilla icon on Windows and choose "Sync" option to create a new sync account. You can also try our Android/iPhone apps that will allow you to access and sync sticky notes across all your devices.
Watch this video for more insights: