Sign in to the AxCrypt app and click the secure button with (+)plus icon in it, and choose one or more file(s) to secure.
Navigate to AxCrypt app file menu and choose the Secure option, which will open up file selection. Proceed by selecting one or more file.
Now Go to the file location and cross-check all the files those are secured have changed to .axx file type.
Please check out our video tutorials at https://www.youtube.com/channel/UCoSoXBjq6iCG5232fHoWStA and our other documentation at https://www.axcrypt.net/information/get-started/ to get started with AxCrypt.
If the above does not help, please provide detailed information about the issue and some screenshot and write a mail to email@example.com. We are happy to help you.