Troubleshooting

Login, Password, and 2FA

• Regaining account access after losing your two-factor authentication (2FA) device or email
• How to resolve a 6001 Incorrect login error during sign in
• Why can't I reset my password?
• What does Authentication Failed mean?
• Email verification does not seem to be working. What do I do?

Syncing Issues

• Why do my files have an .icloud extension?
• Why aren't certain files on my computer syncing?
• How do I stop Windows Defender Firewall from blocking Sync in Windows 10?
• What do I do if Sync is stuck indexing (or not syncing)?
• How do I stop Windows Firewall and Defender from blocking Sync?

Installation and Desktop Apps

• Sync Desktop App Error Messages
• How to uninstall the Sync desktop application
• Installation Error: #1618
• Where did the Advanced Tab / Selective Sync go?
• How do I send a screenshot in Windows?
• How do I send a screenshot in macOS?
• See all 14 articles

Sharing (Links and Shared Folders)

• Share Error: #1653
• What is a READONLY-CONFLICT file?
• Error 1653: The user is in your invite queue already
• What is a conflicted file copy?

Files and Storage

• My files are missing. How do I get them back?

Mobile App

• Photos showing as HEIC instead of JPEG/JPG