How To Open: A Mega Link Without Decryption Key Link [new]

Opening a MEGA link that asks for a decryption key means you currently only have the first half of the data required to access the file. Because MEGA uses zero-knowledge encryption, the server itself does not "know" the key; it is only stored within the full link or held by the sender.  Why You're Seeing the Prompt 

If you only have the short version of the link, there is no technical workaround to bypass the encryption. You must contact the person who shared it and ask for the "Decryption Key." They can find this by right-clicking the file in their MEGA account and selecting Manage Link.  3. Troubleshooting "False" Key Prompts 

Sometimes you might see an "undecrypted" message even if you are the owner or a collaborator. This is usually a technical glitch rather than a missing key: how to open a mega link without decryption key link

If Given Access by Owner:

Clear Browser Cache: Persistent local data can sometimes interfere with MEGA's decryption scripts. Opening a MEGA link that asks for a

Check for a separate password: Some users with Pro accounts may also set a password on top of the decryption key; if prompted for a password, you must get it directly from the sender. If you are the owner of the link

Because the file is encrypted on the uploader's computer, the decryption key (the password to unlock the file) is generated right then and there. MEGA the company never sees this key. They only store the encrypted "blob" of data. You must contact the person who shared it

If you're interested in how these secure sharing features work from the uploader's perspective, this video explains the options for sending keys separately: