PDF Viewer uses the standard iOS document browser from Apple’s Files app. This shows files and folders, including local files, those in iCloud Drive, and those in third-party storage providers such as OneDrive, Dropbox, Google Drive or Box.

Apple’s secure and private design means PDF Viewer is only able to read and modify files that you choose to open. PDF Viewer can only change the color scheme and add buttons to the existing Files interface from Apple. We do not have control over other details, and unfortunately are unable to help with specific file transfer issues.

If you experience issues with file syncing, duplicated files, problems with downloading or uploading files, a good first step is to force the iOS document browser to reload by restarting your device. If this does not help, please report it to Microsoft OneDrive support team.

ReadOnly Mode

Microsoft is actively working on improving Files.app experience and they have temporarily set the whole OneDrive in read only mode (OneDrive version 12.18.8, released on February, 20th).

PDF Viewer disables PDF editing features (annotations, ...) if the opened file is in read only mode.

Copy your OneDrive files to another location before you need to edit them.

How to report a problem

Open the OneDrive app (not PDF Viewer). Shake the device to reveal Shake to Send Feedback alert view and tap on the Send button.

Choose Report a problem.

Describe your problem and tap on the Send button.

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