Need an ID on this mature plant – I’m thinking some kind of philo?

This plant is in the entry way of my workplace and they say it’s been there for over 10 years. They want to cut off a large part of the back section and told me I can have it but I’m not familiar with the best way to prop something this large. I only have till the end of the week to figure out the best way to cut and transport home since I’m switching jobs.