Hello Kev,
In your system “Recent file” view is tracking for windows not for AxCrypting.
We found the below link in the internet to resolve your issues, (how do clear the recent file )
https://answers.microsoft.com/en-us/windows/forum/all/how-do-i-clear-the-recent-file-from-the-photos-app/1187d8b7-b7f7-43d6-802c-920444f4e78b
Please check the above links and try to resolve the issue, if you are agree/ok with the solution. Or please check with your system administrator for more help(s). We do not guarantee about others support answers. But we are just helping the user to verify and resolve the issue.
Still, you are facing any query, please provide detailed information about the issue and write a mail to support@axcrypt.net. We are happy to help you.