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BetterRed · 05-03-2016, 06:20 PM

This is a consequence of calibre nominating itself as a 'capable' of handling various file types - I think it correspond to one of the lists in Preferences->Behaviour - the intent being to show Calibre as an option in File Explorer's Open With list.

There seem to be circumstances whereby the Default handler (e.g Word for .DOCs) is replaced by 'one' of the candidate handlers, I suspect it's the first alphabetically. One such circumstance is if the Default handler is removed/uninstalled - given the frequency of updates to Word that could explain why this happened. And there do seem to be delays before the setting for a new Default 'kick in' - a logoff/logon will force the change, or a restart of explorer.exe would probaly work too..

Kovid has referred to the latest incarnation of Windows File Association management as an an 'unholy mess'. In posts 2 and 9 in the following thread he told me how to 'undo the mess' ==>> Install/Uninstall Windows 10 calibre. It involves using a command line program, and setting an Environment Variable.

What Kovid calls an 'unholy mess', I call a PITA or 'Calamities on Toast'.

An alternative to having the Calibre GUI in the Open With lists, and in my opinion a better one, is to put a shortcut to calibre.exe in the Send To folder, you can use this to add any file type to the current library. I had already done that when I first installed calibre, so I didn't lose anything by removing calibre from the Open With lists.

BR

05-03-2016, 06:20 PM	#5
BetterRed null operator (he/him) Posts: 21,825 Karma: 30277270 Join Date: Mar 2012 Location: Sydney Australia Device: none	This is a consequence of calibre nominating itself as a 'capable' of handling various file types - I think it correspond to one of the lists in Preferences->Behaviour - the intent being to show Calibre as an option in File Explorer's Open With list. There seem to be circumstances whereby the Default handler (e.g Word for .DOCs) is replaced by 'one' of the candidate handlers, I suspect it's the first alphabetically. One such circumstance is if the Default handler is removed/uninstalled - given the frequency of updates to Word that could explain why this happened. And there do seem to be delays before the setting for a new Default 'kick in' - a logoff/logon will force the change, or a restart of explorer.exe would probaly work too.. Kovid has referred to the latest incarnation of Windows File Association management as an an 'unholy mess'. In posts 2 and 9 in the following thread he told me how to 'undo the mess' ==>> Install/Uninstall Windows 10 calibre. It involves using a command line program, and setting an Environment Variable. What Kovid calls an 'unholy mess', I call a PITA or 'Calamities on Toast'. An alternative to having the Calibre GUI in the Open With lists, and in my opinion a better one, is to put a shortcut to calibre.exe in the Send To folder, you can use this to add any file type to the current library. I had already done that when I first installed calibre, so I didn't lose anything by removing calibre from the Open With lists. BR Last edited by BetterRed; 05-03-2016 at 06:39 PM.