How to transfer EVERY photos from lumia to OneDrive?

[Windows Central Question]

Hi,
I would like to upload all the photos I have on my nokia lumia smartphone, onto OneDrive.
Is it possible or I have to flag EVERY photos (several hundreds, really lot of time)?
thanks, bye

 

[Axeelant]

Enable auto backup to Onedrive in settings, then connect to a wifi with a really fast Upload speeds, open Onedrive and in the "Progress" menu, select uploading and you should see your photos uploading there.