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I don't see any characters when typing in Microsoft Excel: Tech Niche
If you use Microsoft Excel often, you may have come across the error message that you can’t type anything into an Excel sheet. Fortunately, this is a common problem, along with other Excel responsiveness issues, and there are several ways to fix it.
If you're wondering, "Why can't I type in Excel?", we've got six solutions for you.
If you have opened a spreadsheet that you did not create yourself, such as a spreadsheet that someone else sent to you or downloaded from the Internet, it may be protected. You know that when you open the file, you cannot enter text into cells. How do you fix this problem?