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Gerry21 · 03-28-2026, 01:30 PM

Good morning from Canada.
I am looking for some technical help.

I have downloaded the Calibre app to my laptop that has Windows 10. I have downloaded two ebooks (Format ACSM) from my PUBLIC LIBRARY. When i try to send to my device (SonyPRS600) the message i get is;

"Could not upload the following books to the device, as no suitable formats were found. Convert the books to a format supported by your device first."

When I try to convert I get the following message;

"Could not convert the book because no supported source format was found "

My Sony reader is quite old so that may be the problem ? In the past I was able to load books from the library, but the original download path is no longer operable.

Does Calibre support / allow the downloading of books from a public library?

Any help would be greatly appreciated.
Cheers
G

03-28-2026, 01:30 PM	#1
Gerry21 Junior Member Posts: 1 Karma: 10 Join Date: Jan 2026 Device: Sony PRS-600	Need help downloading to old Sony Reader Good morning from Canada. I am looking for some technical help. I have downloaded the Calibre app to my laptop that has Windows 10. I have downloaded two ebooks (Format ACSM) from my PUBLIC LIBRARY. When i try to send to my device (SonyPRS600) the message i get is; "Could not upload the following books to the device, as no suitable formats were found. Convert the books to a format supported by your device first." When I try to convert I get the following message; "Could not convert the book because no supported source format was found " My Sony reader is quite old so that may be the problem ? In the past I was able to load books from the library, but the original download path is no longer operable. Does Calibre support / allow the downloading of books from a public library? Any help would be greatly appreciated. Cheers G