Simply put, all objects contained in the note pages images, files, text paragraphs… are stored as individual files or records in a hidden location on the local device e.
This highly fragmented copy of the data is the so-called notebook cache. The actual notebook files on OneDrive or your computer OneNote Win 32 for Windows only remain untouched; all editing is done in the cache version in memory only and every change automatically saved to the cache data files but not to the actual notebook yet.
As long as there is that locally stored cache version again: not to be confused with a local copy of the actual notebook files, because the cache is in a completely different format , you can completely work offline even if the actual notebook files are stored on OneDrive. You can edit, add and delete notes, whole pages, even sections. This needs to be done at the original storage location first, before a local cache copy is created.
Of course, if the notebooks are in the cloud, this only happens when an Internet connection is re established.
Well, thinking of it, I might have been wrong here. Because after editing anything in your notes OneNote tries to start a synchronization even when offline, this must work a bit different. OneNote obviously knows that a sync is needed without being able to compare the note content to the cloud files. I assume, every edit sets a flag in the cache files so the sync mechanism knows that changes might have occured and an update is needed.
It is built into the OneNote client and does not make use of the local OneDrive app on your device. Yes, you can see a representation of OneNote notebooks in your local OneDrive sync folder.
But they are only placeholders links to the actual notebooks on OneDrive. They do not contain any notebook data nor are they part of the sync process. More about this in this older but still valid article.
Because the sync mechanism is part of OneNote and not of the operating system e. The first is the temporary offline availability of notebooks. To be able to edit your notebooks stored in the cloud or on a LAN server even without any network connection, you need a full copy on the local device.
That method is the reason why large notebooks can take quite long to open; its complete content has to be downloaded first. Once downloaded, you can quickly navigate through all notes, because the local cache is used. If OneNote would download only currently accessed content, navigating through pages and sections would be a pain, because everything would get downloaded on demand. Also, offline work would be impossible. The second reason has to do with the option to concurrently edit notes from different devices or by several users.
Conventional PC file systems simply do not allow this. Once an application has opened a data file, that file gets locked for editing by other applications or computers. Some applications refuse to open a locked file, while others Excel for example at least allow read-only access.
The file locking is only removed by saving and closing the file from the editing application. This mechanism is part of the operating system; no application, including OneNote, is able to avoid it. As I mentioned before, the files in the local OneNote cache are much more fragmented than the original copy. It consists of many, many small files.
There is a reason for this too:. In OneNote, several users can edit not only the same notebook at a time but also the same section or even page. This is possible because every object text paragraph, image, printout, embedded file… on a note page is stored in a separate cache file. On the server side e.
So only changed objects cache files are transferred during synchronization. The server is reconstructing the page by collecting those fragments and putting them together like pieces of a puzzle. It does not matter if those puzzle pieces are provided by different devices or users.
So, if the cache of OneNote become corrupted, then one has to delete it manually. Therefore, it is really important for the user to clear OneNote cache in , , on regular interval to avoid any type of corruption issues. The cache folder is really important for the users as it stores all data in a reduced format due to which its execution of some particular instructions becomes fast during web access. But, if it is occupying a large amount of space on the system, then deleting it would be a right choice.
Moreover, if it gets corrupted, then it can badly affect the performance of Outlook. Start displaying error messages and also launching the application becomes difficult. At times, a user is totally unable to start it. A user will not be able to recover the work in progress. A large amount of space is occupied by the system. However, if a user deletes the corrupt cache folder, then a new cache folder will be rebuilt by the OneNote. But what if your local backups have been deleted? Disk Drill can analyze your hard drive and locate all recoverable files with the.
These three simple steps can go a long way in preventing OneNote data loss and saving you a ton of time should you experience one of the common reasons for OneNote file deletion, which are described in the first section of this article.
The methods described in this article can be used to recover lost OneNote files in a short amount of time and without any special knowledge. To avoid similar data loss incidents in the future, we recommend you protect your OneNote files using the above-described methods.
Keep in mind that each OneNote notebook has its own Recycle Bin. David Morelo is a professional content writer in the technology niche, covering everything from consumer products to emerging technologies and their cross-industry application. His interest in technology started at an April 5, Written by. David Morelo. Approved by. Brett Johnson. If you do, your notes may seem to be deleted or lost. In recent years, cybercriminals have been sending fake OneNote document links via email to spread dangerous malware such as the credential-stealing Agent Tesla keylogger.
How to Recover Deleted OneNote Files Recovering deleted OneNote files is possible because the note-taking software comes with several data recovery features. Each OneNote notebook has its own Recycle Bin, so you first need to open the appropriate notebook and then follow the steps below: Open the History menu and click the Notebook Recycle Bin button.
Right-click a deleted page or section and select the Move or Copy option to restore it back to your notebook. Method 3: Recover OneNote Deleted Notes from Local Backups If you use the OneNote desktop app to create, edit, or view your notes, then there will be local backups saved on your main hard drive, allowing you to recover notes that are no longer available on your other devices.
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