When I look at book details using the cloud connection my custom columns...
The values for calibre custom columns "built from other columns" ("composite" columns) are not stored in calibre's database. Instead, calibre computes them when needed. Because of this, CC cannot read...
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How do I use an SD card with Android 4.4 (Kitkat) or later?
Using CC V5 or later with Android 5 (Lollipop) or later: CC V5 supports Android's "Storage Access Framework", so you can put your books anywhere on the SD card. When you use CC's Settings / Formats and...
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How do I choose which formats calibre sends and where the books are stored?
Unlike most devices that calibre supports by cable, you control in the Calibre Companion which formats are to be sent along with their priority on the device. This helps if you have multiple devices...
View ArticleI rooted my device and disabled the Kitkat SD card restrictions. How do I...
If you have rooted your device and removed the SD card restrictions, go to CC's "Other" settings and check the "SD Cards on Android 4.4". This option tells CC to ignore the SD card rules so you can...
View ArticleHow do I reinitialize CC without reinstalling the app?
There are two different ways to reinitialize CC, removing all books from the device and from CC's library. 1. Uninstall and reinstall. The steps: Using a file manager, delete all the book files from...
View ArticleHow can I see my custom "columns made from other columns" in the Cloud...
Requires CC V5.1.1 and later and calibre 2.54 and later If CC and calibre are new enough then the CC can show custom "columns built from other column" (composite columns) in the top-level display of...
View ArticleUsing Kindle for Android with Calibre Companion
Using Kindle for Android (K4A) with CC + calibre presents challenges. The first is the Digital Rights Management (DRM) applied by Amazon to most books. The second is that the K4A application is...
View ArticleHow do I get the same file names in CC no matter which connection I use?
[This answer is valid for CC V4.1 or later. Solution 1, our recommended solution, requires calibre 2.32 or later.]There are three solutions to ensuring that file names for a book are the same on...
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How do I setup Calibre Companion to connect to calibre?
We have tried very hard to make Calibre Companion able to automatically connect to calibre in many different network setups and situations. Unfortunately there are as many different network setups as...
View ArticleI saw a pop-up message saying calibre might show the wrong number of books. Why?
In calibre, a device driver like the wireless device connection is not allowed to change the file path specified by calibre. The "rules" say that calibre is in charge. If you are using CC's file...
View ArticleWhy can't I install CC on Nook android devices?
News: as of early May 2013, the Nook HD and HD+ devices can purchase apps (and other stuff) from the Google Play store. This change makes it possible to obtain CC for these devices.Some Nook devices...
View ArticleI have added a lot of books on an SD card and now downloading books takes...
SD cards usually use a FAT32 file system. Directories (folders) in FAT32 are not indexed, so whenever CC creates a file the operating system (Android) must do a linear search (1st, 2nd, 3rd, 4th ......
View ArticleHow do I reinitialize CC without reinstalling the app?
There are two different ways to reinitialize CC, removing all books from the device and from CC's library. 1. Uninstall and reinstall. The steps: Using a file manager, delete all the book files from...
View ArticleHow do I reinstall CC without losing all my book information?
These steps assume that you can run CC. If you cannot then the only choice you have is to uninstall and reinstall the app, in which case you will lose the data and settings currently stored in CC....
View ArticleI bought CC but it keeps telling me it isn't licensed. What do I do?
This happens if you are not connected to the internet when you connect to calibre as a wireless device, for example if your home network normally has no internet connection. You can fix this problem by...
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How do I choose which formats calibre sends and where the books are stored?
Unlike most devices that calibre supports by cable, you control in the Calibre Companion which formats are to be sent along with their priority on the device. This helps if you have multiple devices...
View ArticleWhat do the home screen widgets and shortcuts do?
CC V3.6.4 added home screen widgets and shortcuts.The home screen widgets show the last few books that you have read by using CC's launch reader app function: long press on a book or the "Read" action...
View ArticleI have added a lot of books on an SD card and now downloading books takes...
SD cards usually use a FAT32 file system. Directories (folders) in FAT32 are not indexed, so whenever CC creates a file the operating system (Android) must do a linear search (1st, 2nd, 3rd, 4th ......
View ArticleWhat can I use in a CC file name template?
CC file name templates are similar to calibre templates. You can use some column names, a prefix, and a suffix, and printf-style format specifications. An if-then-else construct is available to...
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Can I synchronize CC's Read and Date Read information with calibre?
Yes, as long as you are using calibre 1.28 or later. CC's Read information can be synchronized with a calibre Yes/No custom column, and CC's Date Read information can be synchronized with a calibre...
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