Please check whether you are using the AxCrypt portable version or installed version? If you are using AxCrypt installed version to check the control panel? AxCrypt app are install or not?
Currently, the AxCrypt right-click context menu is available only in the windows (Installer) version of the AxCrypt app. You can see the same by installing the latest version of the AxCrypt app in your windows system.
If you are using portable(standalone) version, please download and install the installable version of the AxCrypt app.
still, if you are asking any Queries, please write to Support@axcrypt.net. we are happy to help you.