Happening to my users as well. Reported it, but Box Status still hasn't shown any issues, though external websites are showing reports of inability to access Box.com.

thank you Alec, Hopefully this is taken care of soon.

Hi Nancy, 

Welcome to Box Community and glad to assist!

Our Engineering team are currently working to fix this issue as soon as possible. To keep you posted you can visit status.box.com. 

We truly appreciate your patience and sorry for your trouble. 

Thanks for posting!