I tried to save all captured packets by selecting [File>export objects>HTML]
But in the version[1.8.5] which I am using , it is disabled(greyed out).
I want to enable it.
Any help would be appreciated.
I tried to save all captured packets by selecting [File>export objects>HTML]
Nothing under "Export Objects" "saves all captured packets"; what they do is export an object being transferred in a particular sequence of packets. I.e., they do not save the raw packets, they save the actual file/image/whatever that was being transferred in a particular sequence of packets.
This means that you have to select a packet that's part of a sequence that transfers an object in order for File -> Export Objects not to be disabled.
If you want to save the raw packets to a new file, in 1.8.x and later you want either: