Source
Sync, clients & file access — found from sitemap — Proton Drive
Checked for Proton Drive on 1 Nov 2026
- Page
- https://proton.me/support/proton-drive-windows-on-demand-sync
- Checked
- 1 Nov 2026, 08:57 UTC
- How we may use it
- Public page, crawling permitted
Technical details
- type
- page
- http status
- 200
- content hash
- sha256:a17fa05f665c9ebcf19e2c137f7ab0ece331c84d534e5115a0750b5c140f297a
- permission
- robots_ok
- screenshot
- Screenshot on file (internal exhibit, not published)
Cited by
Facts read from this source
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Ondemand sync Report an error
“Proton Drive’s on-demand sync feature lets you access all your cloud files directly from File Explorer without taking up unnecessary space on your hard drive.”
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Windows app required Report an error
“Note: You must have the Proton Drive Windows app installed on your device to follow these instructions.”
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Cloud file mirroring Report an error
“Once you install the Proton Drive Windows app and sign in, your cloud files are mirrored in a local Proton Drive folder.”
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Automatic download Report an error
“When you interact with a cloud-only file (such as opening or copying it), Proton Drive will automatically download it to your device.”
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Storage optimization setting Report an error
“When you enable the Optimize storage option in the Proton Drive app, files in the selected folders become temporarily available offline. Turning off this setting will make those files permanently available offline.”
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Sync status online only Report an error
“By default, files synced from the cloud appear as online-only (cloud-only), with the Available when online status. These files take up no local storage and are marked with a”
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Sync status available on device Report an error
“Once you open an online-only file, it’s downloaded and saved locally. Its status changes to Available on this device, indicated by a”
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Status may be auto removed Report an error
“Unlike files with the Always available on this device status, those marked as Available on this device may be removed automatically by Windows when you’re running low on disk space — depending on your Storage Sense settings”
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Sync status always available Report an error
“These items are marked by a icon and, unlike files with the Available on this device status, they won’t be removed automatically — even if you’re low on storage.”
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Offline edit syncing Report an error
“Regardless of a file’s availability status, any edits you make are synced to the cloud. For example, if you’re offline and edit a file marked Available on this device or Always available on this device, your changes will be automatically uploaded once your internet connection is restored.”
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Free up space action Report an error
“To make a file cloud-only again and free up disk space, right-click it and select Free up space.”
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Always keep action Report an error
“To permanently keep specific files or folders offline, right-click them and choose Always keep on this device.”
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Entity address Report an error
“Proton AG Route de la Galaise 32 1228 Plan-les-Ouates Geneva, Switzerland”
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