How to set the display of encrypted envelope options in the OFD reader of Mathematics - How to display the encrypted envelope options

      近日有一些小伙伴咨询小编数科OFD阅读器如何设置显示加密信封选项?下面就为大家带来了数科OFD阅读器设置显示加密信封选项的方法，有需要的小伙伴可以来了解了解哦。

Step 1: Click "Mathematics OFD Document" (as shown in the picture).

Step 2: In the "Mathematics OFD Document" window, click the "Preferences" button (as shown in the picture).

Step 3: In the "Preferences" window, click "Encrypted Envelope" (as shown in the picture).

Step 4: In the "Encrypted Envelope" window, check "Show Encrypted Envelope Options" (as shown in the figure).

Step 5: Click "OK" (as shown in the picture).

Step 6: Click "Close" the window (as shown in the picture).

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