You can access your call recording files by using the file manager app on your Android device.
Samsung – Samsung My Files
Huawei – Files
Xiaomi - Mi File Manager
Google Pixel - Files
Alternatives: Total Commander
These are located in: Internal Storage in the folder /zoiper/CallRecordings
Users with Zoiper Lite version up to 2.15.7 can access their Call Recordings, located at
Version 2.16.5 and newer, Call Recordings are located in
NOTE: Keep in mind that you can make a backup of your current Call Recordings if you are on version 2.16.5 and want to keep these after Uninstall.
Due to Google Android 10 API level 29 changes - described here - https://developer.android.com/about/versions/10/privacy/changes
your Call Recordings will be removed if you Uninstall the application.