Invalid Encoded Data - Attachment may be corrupted

What happened

You tried to save or launch an attachment which might have become corrupted.

What you can do

Ask the sender to create the attachment again.

If the attachment is in a mail message, delete the entire message (with attachment) and ask the sender to send a new message with a new attachment.

If the attachment is in a non-mail document, have the author delete the original attachment and then create a new one.