File Format & Compatibility

How to Refresh Attached PDF Files in OneNote

John Wilson Oct 8, 2026 869 views

Question details

The user needs to know how to update or refresh a PDF file attached in OneNote after modifying the original PDF document.

How to Refresh Attached PDF Files in OneNote

Product: Microsoft OneNote
Device & OS: not provided
Scenario: Modifying a source PDF document using an external PDF editor and expecting the changes to be reflected in the OneNote notebook where the file is attached.
Observed behavior: OneNote creates an independent, separate copy of the attached PDF, meaning changes made to the original file are not synchronized automatically within the OneNote page.

Before you start

Before proceeding, ensure you have saved all recent changes to your original PDF file in your PDF editor, and take note of the exact folder location where the updated file is stored.

Solution 1Recommended

Delete and Re-insert the Updated PDF File

Since OneNote does not automatically sync file attachments, the most reliable method is to remove the outdated PDF and manually insert the updated version.

When you insert a file into OneNote, it embeds a static copy into the notebook's database. Because of this architecture, there is no automatic refresh button for embedded files. Manually replacing the file ensures your notebook contains the correct data.

Delete the outdated attachment

Right-click the existing PDF attachment or printout on your OneNote page and select 'Delete' from the context menu.

Select the insert option

Navigate to the 'Insert' tab on the top OneNote ribbon and click on 'File Attachment' (or 'File Printout' if you prefer to see the visible pages of the PDF).

Choose the updated file

Locate the updated PDF file on your computer's local storage, select it, and click 'Insert' to add the refreshed document to your notes.

Delete and Re-insert the Updated PDF File

Solution 2

Insert a File Link Instead of an Attachment

If you frequently update a PDF and want OneNote to always provide access to the latest version, insert a link to the file's location rather than embedding a static copy.

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Frequently Asked Questions

Why doesn't OneNote update my PDF printout automatically?

When you insert a PDF printout or attachment, OneNote creates and stores an independent copy of that file within its own database. It does not maintain an active link to the original source file on your hard drive, which is why external changes are not reflected.

Can I open and edit a PDF directly from OneNote?

Yes, you can double-click the PDF attachment in OneNote to open it in your default PDF reader. If you make and save changes while it is opened this way, those changes are saved to the specific copy stored inside OneNote, not to your original file located elsewhere on your computer.

Is there a way to auto-sync attachments using OneDrive?

If you save your PDF to OneDrive and insert it into OneNote as a 'Cloud Attachment' (available in certain versions of OneNote), it will display a live preview or link. This ensures you are always accessing the most recently synced version directly from the cloud rather than an embedded static copy.

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