Files with APPT extension can be found as specially encrypted PowerPoint presentations made in Authentica Secure Office.

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APPT file - Authentica Secure Office protected PowerPoint presentation file

What is appt file? How to open appt files?

File type specification:

Encoded and encrypted file type icon Encoded and encrypted file type

The APPT file extension was in the past used for a specially protected PowerPoint presentation encrypted using the Authentica Secure Office. Seems like old product as the developer and its product portfolio was acquired by EMC Corporation. Probably known by another name now.

Help how to open:

You can access these files using Authentica Secure Office.

How to convert:

As far as we know, this .appt file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

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