[4] The program Ext2Mgr can optionally be installed additionally to manage drive letters and such.
Since 2017 the application has effectively been abandonware as its author seemingly disappeared in August, 2020.
The German computer magazine PC-WELT reported frequent program crashes in 2009.
[1]While it is not very clear whether v0.69 corrects this deficiency, users have reported [7] that Windows 10 prompts them to format the ext4 drive even with the 0.69 version.
A fork was created by Bo Brantén that fixes some of the stale issues.