Secure Pack 3.5 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions of the tool 3.6 and 3.5.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. This program is a product of Shyam Pillai. The program is included in Office Tools.
From the developer:
Secure Pack is the ideal solution for distributing PowerPoint® presentations. Protect presentations from being changed by the recipient. With the Secure Pack Wizard, any Microsoft PowerPoint® user can quickly package one or multiple presentations into a SINGLE executable show. You can also include the files linked within them in the archive and distribute them for viewing and/or editing.
You may want to check out more software, such as Security Pack, Internet Security Pack - Partial Install or eEye Digital Security Diffing Suite, which might be similar to Secure Pack.