When sharing assets by email using the Link share option, the users are not able to download the files using Microsoft Internet Explorer 11 (IE11) or Edge browsers. This issue occurs when the link share contains more than 50 assets.
AEM Assets 6.2, 6.3
This issue is due to a limitation of 2083 characters in a GET request in Microsoft browsers.
This issue has been solved in AEM 6.4 by changing the method from GET to POST.