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DiapDealer · 04-21-2016, 06:46 AM

Calibre is capable of opening a slew of file-types--and dutifully reports to Windows that capability for each and every one of them. Kovid's environment variable override provides a mechanism for skipping the registration of all filetypes it's capable of opening.

Sigil doesn't notify Windows that it's capable of opening the filetypes you're mentioning. There would be nothing to "skip" with a similar environment variable override in Sigil (except for .epub, .htm, .html and .xhtml)

I'll look further into it, but I have no Windows 10 machine to experiment with. Nor any plans to get one just yet.

04-21-2016, 06:46 AM	#4
DiapDealer Grand Sorcerer Posts: 28,691 Karma: 205039118 Join Date: Jan 2010 Device: Nexus 7, Kindle Fire HD	Calibre is capable of opening a slew of file-types--and dutifully reports to Windows that capability for each and every one of them. Kovid's environment variable override provides a mechanism for skipping the registration of all filetypes it's capable of opening. Sigil doesn't notify Windows that it's capable of opening the filetypes you're mentioning. There would be nothing to "skip" with a similar environment variable override in Sigil (except for .epub, .htm, .html and .xhtml) I'll look further into it, but I have no Windows 10 machine to experiment with. Nor any plans to get one just yet. Last edited by DiapDealer; 04-21-2016 at 10:09 AM.