How can there be guests on my excel sheet that i did not give access to??

guys i just got this problem and found this question, i had tried and solved this problem(halfy), first of all, it's safe(probally),because it probally it just yourself clicking the link without logging in to excel,i tried to share a link with an empty excel,and press the link on my phone which is not logging(open the link by website too), and i saw the nickname on my main account, the phone log in one nickname become a random fruit or food or colour, you can check by this method and you can see the visitor coloum( etc:a2 c6) will show on your main account holder with their colour , but the problem now is i cant find the way to delete it after my phone account closed the window, so i said solved halfy

sorry for bad grammer but hope this will help !

I am having the same issue. I shared an excel file with 1 person, sent a link via email to their Gmail, and now have 2 'Guests' - Juniper and Pepperwood - and I cannot remove them. I removed access to the 1 person I shared the link with, yet the 2 guests still show up in my file. I cannot delete the file, rename, etc. as they are still in the file. Under "Manage Access", there is no one else to remove. The person I originally shared with is also unable to remove the access, as suggested by Shakiru.

Same issue here. I added 1 co-worker and when he used the link I was seeing a random name as a guest. If Microsoft advises Excel just isn't recognizing the email of my co-worker I can accept that, just don't want a security issue with my documents. Also, we tested and as he selected cells and added info it was showing to me, so it WAS him.

No! Still a mystery! ...and I had a Honeydew visiting as well.....

This is not the person I shared with as she does not have the file open and I removed her access. I can't even delete the file!