I see you've tagged this question as 'Client Managed', is this a question for Client-Managed? If so you might want to post your question again on the Qlik Sense forum here: https://community.qlik.com/t5/Qlik-Sense/ct-p/qlik-sense
This is the forum for Qlik Application Automation which is not available in Client-Managed (only in Qlik Sense Enterprise SaaS).
Below are 2 articles on exporting/importing apps through automations in case this is indeed a question for automations: