NOOK User Guide Files and Folders 164Persian.jpgBalinese.jpg• Wallpaper files ( JPG, JPEG, GIF, PNG, and BMP formats): You must place these files in thefolder my wallpapers in your NOOK’s internal memory, not in subfolders.• Other files: You can put other files on your NOOK, but your NOOK will not be able touse them. You can only access them through USB. If you do put other files on your NOOK,we recommend that you place them in top-level folders that you create, and ideally on asupplemental microSD card, so that they do not reduce the space available for the My B&NLibrary section of your library.If you use subfolders to organize your digital reading and audio content, when your NOOK presentsthe files to you, it flattens the hierarchy and presents a single list.There are several places that you should not place files:• my B&N downloads: Digital content that you purchased and downloaded from Barnes& Noble.com or from your NOOK (in EPUB and PDB formats). The contents of this folderare displayed in the My B&N Library section of your library. Do not organize these files intosubfolders.You can copy files from the my B&N downloads folder, but if you place files in thatfolder, your NOOK deletes them.• If you authorize your NOOK for use with Adobe Digital Editions, you will also see the folders.adobe-digital-editions and Digital Editions. These folders do not contain digital content.Do not place files in these folders.Do not delete the predefined directories.USB Access and microSD Card AccessYour NOOK is designed for USB access to your files and folders in the internal memory and on asupplemental microSD card if present. You can also access the files and folders on a supplementalmicroSD card using a suitable card reader (not supplied with your NOOK). If you do use a cardreader, turn off your NOOK fully before removing the microSD card.Managing FilesTransfer personal files to your NOOK, copying them to the appropriate folders. If you decideyou no longer want specific files on your NOOK, delete them (but keep a copy on your personalcomputer).
