Setting the default TARGET in Insert/edit link is not applicable for Imported Articles.Issue When we import articles into a knowledge base, the imported hyperlink does not work if we set it to default Insert Link Target.ResolutionSetting the default 'Insert Link Target' in TinyMCE can be configured following this article below-Article - https://support.servicenow.com/kb_view.do?sysparm_article=KB0682662 This feature we have defined for TinyMCE editor. Knowledge Import is all together different functionality which does not use TInyMCE editor. However, you can use TinyMCE editor to further modify the document after import.After importing, you need to change the target and set it back to TARGET: new_window(blank) and save the form.So, in a shell setting the default Insert Link Target in TinyMCE is not applicable for imported articles.