Hi there Daniel, welcome to planDisney! How awesome that you will be visiting the Most Magical Place on Earth!
Your upcoming trip to
Walt Disney World sounds like it is going to be a truly magical time! One of my favorite trips we took was a 15 day stay around the holidays a few years ago. It allowed us to really take things slow and enjoy the parks and our resort!
To add extra days to your
Disney Vacation Package and have it linked to your
My Disney Experience account, you may be able to make changes
online on the "My Plans" page. If your reservation is eligible to be modified, you'll see a link to the right of the confirmation number that says "Change Reservation". Once you select this option, you'll see a series of options to adjust different components of your reservation.
Another option is to call
Disney Resort Hotel Reservations and speak directly with a Cast Member. Though Cast Members do their best to accommodate guests requests, they are not guaranteed.
Daniel, I hope you find this information helpful and we'll see ya real soon!
Kay