SharePoint Left navigation's submenu expand and/or collapse default behavior setting

Rahini Radha (AP) 106 Reputation points

We have a SharePoint site in SP2019 onpremise and implemented "Left navigation with Submenus".

When we expand and click a submenu from a Modern sitepages, the submenu is getting collapsed once the submenu's page is loaded.

How to keep the menu in expand mode by default. Is there any settings to keep it expanded in modern pages?

SharePoint Server
SharePoint Server
A family of Microsoft on-premises document management and storage systems.
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SharePoint Server Development
SharePoint Server Development
SharePoint Server: A family of Microsoft on-premises document management and storage systems.Development: The process of researching, productizing, and refining new or existing technologies.
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  1. Emily Du-MSFT 41,296 Reputation points Microsoft Vendor

    @Rahini Radha (AP)

    Per my knowledge, there is no option to make submenu of left navigation expand as default behavior.

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