backup & restore

  • The backup data of the iPhone version can be restored into the iPad 3.5 or later version, or vice versa.
  • The old version's backup data can be restored into a newer version, but not vice versa.
  • The restored documents may be added into the bookshelves with the original information but as a newly added one. If the same document already exists, you can distinguish them by the time added.
  • The restored bookshelves will be unlocked even if those were locked before.



Backup pdf-notes data

Backup pdf-notes data by copying the DoNotEdit folder.





(1) Connect iPhone to iTunes and select <your iPhone>.


(2) Select Apps in the tab menu.


(3) Select pdf-notes-iphone under File Sharing - Apps. (If there are some documents in pdf-notes, it may take some time depending on the amount of documents to display [pdf-notes-iphone Documents] on iTunes)


(4) Select the DoNotEdit folder in the [pdf-notes-iphone Documents] section.


(5) Press [Save to...] button and save it onto your computer. (If there are some documents in pdf-notes, it may take some time to save the documents)




Backup data & DoNotEdit folder

The DoNotEdit folder contains two important data files and multiple document folders.

  • CategoryItems.dat
  • BooksLibrary.plist
  • multiple documents folders




Create the pdf-notes backup data by compressing the DoNotEdit folder into a zip file. (or zip files)

However, iPhone has some restrictions:

  • A folder can not be added onto iPhone through iTunes
  • A file larger than 1.5GB can not be handled within iPhone (Although iOS can handle up to 2.0GB file size, we found that iPhone failed to open a few 1.7GB files.)


Therefore, if the zip file size of the DoNotEdit folder is larger than 1.5GB, we need to prepare the pdf-notes backup data as two or more smaller sized zip files.

Every zip file of pdf-notes backup data must include CategoryItems.dat and BooksLibrary.plist files. Any zip file missing one of them is not a pdf-notes backup data.




Single zip file of backup data


Compress the DoNotEdit folder to a single zip file. If the file size is smaller than 1.5GB, it can be restored into iPhone.




Or the file size is larger than 1.5GB, the backup data should be consist of multiple zip files.




Multiple zip files of backup data

Each zip file can be created by compressing the selected multiple document folders.

In every zip file, both CategoryItems.dat and BooksLibrary.plist must be included.

  • Each zip file should be smaller than 1.5GB.
  • Each zip file should contain both CategoryItems.dat and BooksLibrary files.
  • Each zip file should contain one or more document folders in the DoNotEdit folder.




The multiple zip files of a backup data can be restored at the same time or one by one.

If the multiple zip files of a backup data are restored at the same time, the order of books in the bookshelves will be restored.

Otherwise, the order of books may not be kept.





Restore pdf-notes backup data

Add one or more zip files of a pdf-notes backup data onto [pdf-notes-iphone Documents].

Please ensure that the zip files are from the same DoNotEdit folder. (Every zip file must contain the identical CategoryItems.data and BooksLibrary.plist files.)





(1) Connect iPhone to iTunes and select <your iPhone>.


(2) Select Apps in the tab menu.


(3) Select pdf-notes-iphone under File Sharing - Apps. (If there are some documents in pdf-notes, it may take some time depending on the amount of documents to display [pdf-notes-iphone Documents] on iTunes)


(4) Press [Add...] and add one or more zip files of a backup data into [pdf-notes-iphone Documents].

Please make sure that all zip files were generated from a single backup data at the same time. (Every zip file added at once must contain the same CategoryItems.dat and BooksLibrary.plist files.)


Please add all zip files of a pdf-notes backup data at once if you want to add all the backup documents. (If there are many documents in the backup data, it may take some time to add it.)


(5) Press the Refresh button after starting pdf-notes.

Press OK to restore the backup data.


Press Later to leave the backup data as an icon. You can press it anytime you want to restore it.

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