Support

Answers about uploading, downloading, sharing, folders, encryption, billing, and your account.

Getting started

Uploading

Downloading and previewing

Sharing

Folder collaboration

Security and encryption

Encryption details

Billing and storage

Account and settings

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Support

Getting started

What is TeraStash?

What is a vault? Why do I need a password?

Do I need to install an app?

What browsers are supported?

Uploading

What file types can I upload?

Is there a file size limit?

Can I upload entire folders?

My upload was interrupted. Can I resume it?

What happens if a file with the same name already exists?

Are my files encrypted before upload?

Downloading and previewing

How do I download a file?

Can I preview files without downloading them fully?

My download was interrupted. Can I resume it?

Why is a very large download slow?

Sharing

How do I share a file or folder?

How does a share link hide the decryption key?

Can I set an expiry date on a share link?

How do I revoke a share?

Folder collaboration

What is the difference between inviting people and a share link?

How do I invite someone to a folder?

Can I invite someone who does not have a TeraStash account?

What do Read only and Can edit mean?

How do I accept or reject a folder invitation?

Where do I find folders that were shared with me?

Whose storage is used when a collaborator uploads?

What happens if a collaborator deletes a file?

How do I change someone's permission or revoke access?

How do I leave a folder that was shared with me?

Is folder collaboration still end-to-end encrypted?

Security and encryption

Who can see my files?

What does zero-knowledge mean?

What is the master key, or recovery key?

What if I forget my vault password?

What are passkeys and how do they work?

Encryption details

What encryption algorithm is used to protect my files?

How are encryption keys generated and exchanged?

How is my vault password used to protect my keys?

Where does encryption and decryption happen?

Are file names, sizes, and types encrypted too?

What cryptographic standards does TeraStash comply with?

Billing and storage

How much storage do I get for free?

How is paid storage priced?

Is there a free trial?

How does billing work? Who will appear on my invoice?

Can I change my storage plan?

How do I cancel?

What happens if my stored data exceeds my quota after a downgrade or cancellation?

Account and settings

How do I enable two-factor authentication?

How do I change my password?

I forgot my password. How do I reset it?

How do I delete my account?

Contact support