Trouble opening Outlook PDF attachments on your Android Smartphone or Tablet?

1. PDF attachments in Outlook can sometimes be hard to open or view. Especially in Android devices, many of us have faced this issue. Outlook does not have any built in PDF viewer to open the PDF attachments, which can be resolved by installing another application - OneDrive.  How to Install OneDrive?  Open Google Play Store on your phone.   Search for OneDrive, you will find similar icon as displayed below.
Install Application and Sign in using [e-mail].   Once Signed In, try to open the attachment from Outlook.   It will ask you to choose Onedrive, You might see other options there. Select Onedrive PDF Viewer and Choose Allow.
If you still have issue let us know at [e-mail]