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File-opening guide

How to open a password-protected DICOM ZIP on iPhone

Save the encrypted DICOM ZIP to Files and import it in Ossidex through + → Files / ZIP. Enter the archive password supplied by the sender when prompted; it is not necessarily the same as the patient-portal password.

By the Ossidex team · How we write and check these pages · Updated

Download on the App StoreFree to download · iPhone & iPad · iOS 17+

A password prompt is different from a damaged download

What you haveWhat it means
Archive passwordThe app is asking for credentials to open encrypted content. Obtain the password from the sender.
Files not imported with locked contentSome files may remain unread even if other images were recovered. Do not assume the study is complete.
Compression or encryption not supportedA valid password alone may not resolve the format. Ask for a standard ZIP or extracted image folder.

How to open the images

  1. Keep the entire archive. Do not remove files or rename the ZIP. Finish downloading it before entering a password.
  2. Choose Files / ZIP. Open Ossidex, tap +, choose Files / ZIP and select the encrypted archive.
  3. Enter the sender’s archive password. Check capitalization and any accidental spaces. If it fails, confirm the password with the clinic rather than guessing from patient details.
  4. Check for unread files. If only part of the study imports, resolve the locked files before treating it as a complete examination. Request a fresh export if necessary.

What to check if it still does not open

The browser viewer does not open encrypted ZIPs. For Mac, have an archive tool extract the files locally using the supplied password, then choose Open folder in the browser viewer. Keep the extracted image folders together.

A ZIP around a proprietary planning project is still not DICOM. Unlocking the container does not add format support. If the clinic cannot supply the password, request a replacement export through its approved sharing process; Ossidex cannot recover the forgotten password.

Viewer options and format limits

On a Mac, open the browser viewer and choose Open folder for the complete DICOM folder or Open files for a ZIP. Browser format and memory limits differ from the iPhone/iPad app; a successful import does not establish that the examination is complete.

See the matching format or export guide and tested samples and compatibility limits. Ossidex is a viewer and planning aid, not a diagnostic device.

Frequently asked questions

Does every clinic disc need a password?

No. An archive password is required only for encrypted content. Windows viewer files alongside the scan are not themselves evidence of encryption.

Why did some images import before the prompt?

A package can contain readable files and locked nested content. Inspect the incomplete-import notices and obtain the missing images.

Sources

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