Tiff file Error

Dear Friends

I have problem in voiewing Tiff file in SAP DMS as well as SAP Archivelink scenarios.

In SAP DMS I able to view in ECL Viewer but I am not able to diplay it in SAP Archivelink.

It gives me a pop up asking whteher to download or save file. It give an unknow extension error.

I have SAP GUI 7.1 installed on my PC.

With Regards

Mangesh Pande