You can change the default PDF handler to Adobe in OneDrive and SharePoint when using a web browser:
1. Open OneDrive or SharePoint in Your Browser:
· Navigate to your OneDrive or SharePoint site and sign in with your credentials.
2. Locate a PDF File:
· Find any PDF file stored in your OneDrive or SharePoint.
3. Right-Click the PDF File:
· Right-click on the PDF file and select "Open" or "Open in browser".
4. Change Default PDF Handler:
· If the PDF opens in Lumin PDF, close it and go back to the file.
· Right-click again and select "Open with" > "Adobe Acrobat".
5. Set Adobe as Default:
· A prompt may appear asking if you want to set Adobe Acrobat as the default PDF handler. Confirm this choice.
6. Browser Settings:
· Ensure your browser is set to always open PDFs with Adobe Acrobat. For example, in Microsoft Edge:
· Go to Settings > Cookies and site permissions > PDF Documents.
· Toggle on "Always open PDF files externally"
https://answers.microsoft.com/en-us/microsoftedge/forum/all/edge-opens-pdf-from-web-even-if-you-have-acrobat/edcb01e3-27dc-4e34-9a0a-c015d978e612
7. Adobe Acrobat Integration:
· If you haven't already, you might need to install the Adobe Acrobat integration for OneDrive and SharePoint:
· Go to the Microsoft 365 Admin Center.
· Navigate to Settings > Integrated apps and search for "Adobe Acrobat".
· Follow the prompts to deploy it to your account Deploy Adobe Acrobat for SharePoint and OneDrive
After these steps, your PDFs should open with Adobe Acrobat by default in OneDrive and SharePoint. If you encounter any issues, feel free to ask for further assistance!