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Fix: Acrobat Cannot Open PDFs with Accented Characters on iOS
Question details
Users are unable to open PDF files containing accented characters or the letter 'ñ' from Adobe Document Cloud on iOS devices.
- Product
- Adobe Acrobat Reader
- Device & OS
- iOS 10.3 and later
- Scenario
- Opening PDF files stored in Document Cloud using the Adobe Acrobat mobile app on iPhone or iPad.
- Observed behavior
- The app fails to open the file and displays a 'The document path is not valid' error message.
Ensure your iOS device is connected to a stable internet network and check if you have the credentials to log into your Apple ID for app updates.
Update Adobe Acrobat Reader
The developer has released an official patch to fix the file system compatibility bug on iOS.
This bug is a side effect of Apple's transition from the HFS+ to the APFS file system introduced in iOS 10.3. The new file system disrupted how Acrobat parses accented characters and Asian-language characters in Document Cloud paths. Updating the app resolves this backend issue.
Navigate to the home screen on your iPhone or iPad and tap to open the App Store.
Use the search bar to find Adobe Acrobat Reader and view its store page.
Tap the 'Update' button to install version 17.05.12 or newer, which contains the official bug fix.
Rename the PDF Document
If you cannot update the application immediately, renaming the file removes the trigger for the path error.
Access the PDF Locally or via Desktop
The bug specifically affects files opened directly from Document Cloud on iOS. Opening the file locally bypasses the path error entirely.
Open Any PDF Seamlessly with WPS Office
Avoid file path errors and easily open, view, and edit PDF files on your iPhone or iPad using WPS Office, which smoothly handles all special characters and cloud files.
- 1. Install WPS Office: Download and install the free WPS Office app from the iOS App Store.
- 2. Access the Files tab: Launch the app and tap on the 'Files' tab located at the bottom of the screen.
- 3. Connect cloud storage: Select your preferred cloud storage service or browse your device's local folders.
- 4. Open the PDF: Tap on the PDF document with the accented file name to open and view it instantly without errors.
Frequently Asked Questions
Why does iOS show a 'document path is not valid' error for my PDFs?
This error is caused by a transition in Apple's file system from HFS+ to APFS in iOS 10.3 and later. The change affected how certain older versions of iOS apps, including Acrobat, parse accented or Asian characters when retrieving files from cloud paths.
Can I still use Adobe Document Cloud if my file has accented characters?
Yes, you can continue using Document Cloud as long as you update your Acrobat Reader app to version 17.05.12 or newer, which includes the developer patch for this specific issue.
Does this issue affect PDFs opened on Mac or Windows computers?
No, this specific path error only occurs in the iOS mobile version of Adobe Acrobat when opening files directly from Document Cloud. Desktop and web versions work normally.
How do I safely rename a PDF on an iPhone?
You can use the native Apple Files app to locate the document, long-press the file icon, tap 'Rename', and replace any accented vowels or special characters with standard English letters before saving.
