Hello experts,
I want to give my sheet to other but I have to give them right to allow and work on it but I want to put some watermark or kind of that so that it will not duplicated as well as they will not share with others or if they will share with others then also my identity will not be lost. So I want to put my name how can I do that?
I also wanna ask is there any way that for some days or months the file can be opened and they can work then after that they need password or file will be not workable?
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