How to make outlook 2016 remember sharepoint password?

Question

SharePoint

There is a corporate portal on Bitrix. The corporate portal has the ability to export contacts with something like sharepoint to Outlook. Due to an unencrypted connection, the registry has to be entered

[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Internet]
"BasicAuthLevel"=dword:00000002

With this crutch, this whole construction works safely on outlook 2016, windows 7.
But it doesn’t want to work on windos 10. More precisely, it works, but you have to enter your username and password every time. If the window for entering the password login also appeared in the seven, but it was filled, it was enough just to click OK. The window did not appear again until Outlook was restarted.
Question. How to make remember the password from Sharppoint Outlook under Windows 10? can register in the registry or in a config file?