Troubleshooting

Cancel a Subscription or Request a Refund
How to Request a Refund for a Subscription Purchased Through Microsoft Store
[Announcement] Discontinuation of Single Sign-On from LinkedIn, X (Formerly Twitter), WeChat, and QQ
[Announcement] Stop Maintenance on KDAN credit in KDAN PDF Reader
Trouble Shooting: Unable to Enter License Code for KDAN PDF Permanent License Windows
What is the difference between a free membership and a Document 365 subscription?
How to Make PDF Reader the Default PDF Viewer
What is the difference between PDF Reader Pro and Document 365 subscription?
What is the difference between the PDF Reader Windows and other versions (iOS, Android, and Mac)?
Where and how to purchase a Document 365 subscription?
How to Cancel Microsoft Store Subscription on Windows
Where is the output file after conversion?
Frequently Ask Questions about the AI Features in KDAN PDF Reader
KDAN PDF Unable to Access Advanced Features After Upgrading on Windows
Files can not be opened
My documents are locked by password with no reasons
Annotations are not visible when using a third party app
How to Know My App Version
How to Retrieve My Edited PDF Files When the App Crashes (Where to Find My Edited PDF Files)