If this person is not you, there's a good chance that they have the file open. Here, you'll see information about the file, including the name of the person who last modified it. To do this, right-click on the file and select 'Properties.' Then, click on the 'Details' tab. If you don't receive a message telling you that the file is in use, but you suspect that someone else has it open, you can check the file's properties. If someone else has the file open, you'll receive a message that says 'file in use' or 'file locked for editing.' This message will also tell you the name of the person who has the file open, as well as the option to notify them that you want to open the file. The first step in figuring out who has an Excel file open is to try opening the file yourself. Have you ever encountered a situation where you try to open an Excel file, but it tells you that someone else has it open? Or maybe you're the one who has the file open, and you're wondering who else is trying to access it? This can be a frustrating experience, but fortunately, Excel has some built-in features that can help you figure out who has the file open.

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