The specific operation steps are as follows:
1. First, open WeChat WeChat official account, and click and select the "keypad" icon button in the lower left corner.
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2. Then click and select the "+"icon button in the lower right corner in the new interface.
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3. Then click the "File" button in the new interface.
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4. Then click the file to be sent in the new interface and click the "Send" button in the upper right corner to send the file on WeChat WeChat official account.
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