In the Share options the icon for Mail is identical to the icon for Messages and both appear checkec

Some how the "share" command does not allow to share with MAIL....ok to share with "Messages"

In the Extensions Share Menu the icon for Mail is identical to the icon for Messages ...???

and both appear checked....

however the Share command does to work ---cannot share files --only through messages

My product MacBook Pro (Retina, 13-inch, Early 2015) OSX 10.11.6 Mail ver 9.3

Tried troubleshooting with If Share options or Markup is missing after upgrading to OS X Yosemite or El Capitan - Apple Support

No results. Issue still persists. Any suggestions ....Please !!! Very annoying not able to share with mail

Model Name: MacBook Pro

Model Identifier: MacBookPro12,1

Processor Name: Intel Core i7

Processor Speed: 3.1 GHz

Number of Processors: 1

Total Number of Cores: 2

L2 Cache (per Core): 256 KB

L3 Cache: 4 MB

Memory: 16 GB

Boot ROM Version: MBP121.0167.B17

SMC Version (system): 2.28f7

Model Name: MacBook P

L3 Cache: 4 MB

Memory: 16 GB