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Old 06-16-2025, 12:46 AM   #1
Daggy
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Removal of automatically-created kepub files

I am using Calibre 8.4 to transfer books to my Kobo Clara HD. I have removed all the 'old' Kobo extensions except DeDRM.
When sending new epubs to my device, Calibre correctly automatically converts the epub to kepub, and uploads the kepub - all good.
The problem is that I now have both epub and kepub versions of each book in my Calibre library, I can manually delete the kepub version but I thought Calibre is supposed to automatically remove the kepub after upload? Is there a setting I need to tweak to prevent Calibre from keeping the kepubs?
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Old 06-16-2025, 01:04 AM   #2
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Are yo making a KEPUB before sending?
You don't need to do that. The driver does an on-the-fly conversion, that never lands into the Library, only the Kobo
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Old 06-16-2025, 06:22 AM   #3
Daggy
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No, I'm definitely not doing any manual conversion. I just add the new epub to Calibre, connect the Kobo and click the Send to Device button.
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Old 06-16-2025, 07:39 AM   #4
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Check the formats in the driver settings. Epub must be checked.
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Old 06-16-2025, 11:51 AM   #5
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Quote:
Originally Posted by Sirtel View Post
Check the formats in the driver settings. Epub must be checked.
Good catch
The conversion (added to Library) happens when a approved (tick) format is not available.
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Old 06-17-2025, 06:10 AM   #6
Daggy
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Fixed thanks

Quote:
Originally Posted by Sirtel View Post
Check the formats in the driver settings. Epub must be checked.
Thank you, changed it from kepub to epub and now functioning properly
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Old 06-17-2025, 09:34 AM   #7
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Quote:
Originally Posted by Daggy View Post
Thank you, changed it from kepub to epub and now functioning properly
You do not need to change it FROM. Just add a tick .That way, if you do purchase KEPUB and put those in your Library, they can be sent UNCONVERTED to your Kobo.

Ticks indicate formats that a device can handle.

The order of appearance of the ticked (no need to bunch) is the priority if more than 1 format is available, that will be chosen to be sent.

Auto convert (your initial issue) happens when the Library did not have a version that was ticked.
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