Hello again, after a good night of sleep I found out a way to do it with the api so I don’t have to clic 5000 times #hurrah I put my little code just below for people in the future facing the same problem, You just have to pass all ids in an array t...

Hello @BenInDallas, it is Casimir (i’am on my collegue laptop). Thanks for the reply, I do use the LookUp fields but you can’t copy and paste in the cell all the ids I wan’t to link (around 100 for each). The only way to do it, is by clicking the + b...