
Proton Drive Sign-In and Account Access Troubleshooting
Work through a rejected account password, a library that stays locked, a missing two-factor prompt, or a device that no longer belongs to you, without changing random settings.
Read the guideEach guide isolates one situation, explains what the software is doing behind it, and ends with something you can actually do next.

Work through a rejected account password, a library that stays locked, a missing two-factor prompt, or a device that no longer belongs to you, without changing random settings.
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Measure throughput before changing anything, then check storage quotas, filtered networks, file size limits, competing extensions, and mobile background restrictions.
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Choose between share links and shared folders, set expiry dates, send link passwords through another channel, narrow member roles, and revoke access deliberately.
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Adopt one filename pattern, keep folders shallow, delete duplicates instead of renaming them, archive finished work by year, and decide what should never be uploaded.
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Separate an unreachable service from a rejected identity, an exhausted plan limit, a blocked network, or a silent sync failure, then report it with the stage named.
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