Use the Dropbox account’s own recovery controls for missing cloud content. First distinguish deletion from a moved item, a shared-folder permission change or an overwritten file. The available route depends on the account, permissions, event and recovery period.

Identify the missing content
Sign in to the correct account through Dropbox’s normal route. Search for the file and inspect its expected folder and shared locations. Record the path, owner and approximate loss time. For team content, ask the administrator to help distinguish a deletion from changed access.
Do not permanently delete items or clear available recovery history while searching. Preserve current work before restoring an older state, particularly when multiple people use the folder.
Use Deleted files or version history
Sign in at dropbox.com, open Deleted files and select the required item, then choose Restore. Dropbox’s recovery instructions describe the available controls and conditions. The recovery period varies by plan and may be affected by policy or add-ons, so verify the conditions of the actual account rather than assuming one period for every user.
For a file that still exists but contains unwanted changes, open its three-dot menu and select Version history. Inspect an earlier version and restore the one you need, following Dropbox’s version instructions. Keep the current version separately before replacing it. After retrieval, check the intended folder and open the returned file.
If the item was permanently deleted or is outside available account recovery, do not infer that another application’s sign-in can bypass that limitation. Follow Dropbox’s account-specific support guidance and preserve the incident details without promising an unavailable result.
Check whether another full copy exists
Inspect independent backups, collaborators’ authorized copies and devices that actually downloaded the content. A synchronized listing does not prove that every byte was stored locally. If a real local copy was later deleted, a local-disk recovery workflow may be relevant to that device.
Keep local-copy retrieval separate from Dropbox account recovery. Use Dropbox’s Deleted files and Version history for account recovery. XRecovery’s local Windows scan can help search for a deleted file that had been fully downloaded to that disk. Its current cloud-source recovery does not include a direct Dropbox account connection.
Validate the returned version
Open the candidate in the application that normally uses it. Check the required content and linked assets, not just the filename and date. Keep the initial retrieved copy before edits or repairs.
Record the account, route and version that supplied the result. If content remains missing, retain the original path, approximate dates and relevant sharing history for support. Remove credentials and private tokens from shared reports. Open the restored folder and check that it contains the files you need.
For the next step, see Recover Cloud Files: Separate Account History from Local Copies.