fail in sign in microsoft, but success in iPAD

Hi there,

Hope you are doing well.

As per the issue description that you are not able to sign in. Kindly try these troubleshooting steps:

1. Check if the app is up to date.

2. Try repair installation from the help option from the menu bar.

3. Try resetting preferences. Refer this help article for the same: https://community.adobe.com/t5/acrobat-discussions/how-to-reset-acrobat-preference-settings-to-defau...

Let us know if that helps.

Thanks,

Harsh