How to change the pdf icon back: First, left-click the mouse to select the pdf file, click the [Properties] button; then left-click the file open method [Change] button in the file properties dialog box, and Select other software to open in other options; finally click [OK].

How to change the pdf icon back:

1. First, click the left mouse button to select the pdf file. Right-click the mouse to select the "Properties" button of the file, and the file properties dialog box will pop up.

#2. In the file properties dialog box, left-click the "Change" button of the file opening method, and the opening method change dialog box will pop up.

3. In the file opening method replacement dialog box, select other software to open in the other options, then click OK, and click OK again in the file properties dialog box. (The software installed by everyone is different. The author uses "2345 Picture Viewing King-PDF Reader" as an example to explain)

4. At this time, the pdf file The icon is modified.

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