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Old 06-18-2026, 09:30 AM   #16
Comfy.n
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Originally Posted by Siavahda View Post
That only links to a single comment/reply, not the whole thread, so I don't know what was happening there?
On top right of the post I linked to, there's a link to the original thread.

Quote:
Originally Posted by Siavahda View Post

Do you know what kind of occasions causes Calibre to make an auto backup like that?
Good question. Kovid said this a couple of times in this forum, but I can't remember, and the last time I searched I couldn't find it.
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Old 06-18-2026, 09:37 AM   #17
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I love the idea of this, and I have installed it, but I haven't yet found any Instructions for the Tech Illiterate, so I'm going to be a while messing with it. (If anyone knows of any instructions like that, please link me!)
Just create a date column, using the format you prefer. I use dd-MM-yyyy hh:mm.

Then add a new row (plus sign), and select such column by double clicking the first row field; then the Settings field on the right side of the first row field will be enabled and you can open the Events Setting.
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Old 06-18-2026, 02:18 PM   #18
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Originally Posted by Siavahda View Post
No. I genuinely haven't touched them, except to send (some of them) to my kobo, using the send to device function.
Do you have a copy of an ebook before the change? Maybe in a backup location?
If yes, get both books and do a compare on them and see what changed.
Calibre can do the compare.

If you don't, then seriously consider a backup routine.
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Old 06-19-2026, 05:03 AM   #19
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At one point I had Kobo Utilities set to automatically create a back-up of the device database on connection, and I found that was resetting the last modified date for all my books, not just the newly added ones. That got unchecked pretty quickly once I sussed what was going on.
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Old 06-19-2026, 11:37 AM   #20
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Originally Posted by maddz View Post
At one point I had Kobo Utilities set to automatically create a back-up of the device database on connection, and I found that was resetting the last modified date for all my books, not just the newly added ones. That got unchecked pretty quickly once I sussed what was going on.
Well, try the database backup again. Firmware has been upgraded and Kobo Utilities has been upgraded. See if it still causes the problem (I don't see this problem).
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Old 06-19-2026, 10:55 PM   #21
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Quote:
Originally Posted by maddz View Post
At one point I had Kobo Utilities set to automatically create a back-up of the device database on connection, and I found that was resetting the last modified date for all my books, not just the newly added ones. That got unchecked pretty quickly once I sussed what was going on.
The backed up (kobo) database has nothing to do with the Library. It is a zip that gets placed in a designated folder (I have 2 Kobos, 2 folders)
I still believe it is reading status or notes that is touching the Calibre DB (modified)
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