Recently, when you download Excel files from the Internet, you will always be prompted that the file is damaged and cannot be opened,
At one time, I thought there was something wrong with the downloaded file, but later it was found that it was not,
The reason is that office does not trust the source of the file and does not open it The solution is actually very simple Open excel, File → options → Trust Center, click Trust Center settings
Then the trusted location can add the folder where your files are located
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