As passwords are sensitive to small changes, you shouldn’t copy your passwords from anywhere (like textfiles, skype’s conversations), instead try to enter it manually. If the provided recommendations don’t help you resolve the issues or you want to send Office 365 complaints, call Microsoft support. Open the required file, hit Share and then check the list of users that you can give the rights to edit a file. You can set access permissions for the entire organization or invite only Office email ...