Windows 10 Insider Preview Build 14926 adds the favorites export capability for Microsoft Edge. You can now import Microsoft Edge favorites from, or export favorites to a Netscape-style bookmark HTML file, as in Internet Explorer.
Click the “More” icon (the three dots) at the top right, click “Settings”, “View favorites settings”. You will see the “Import from file” and “Export to file” options.
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Ramesh Srinivasan founded Winhelponline.com back in 2005. He is passionate about Microsoft technologies and has a vast experience in the ITeS industry — delivering support for Microsoft's consumer products. He has been a Microsoft MVP [2003 to 2012] who contributes to various Windows support forums.