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Instant Messaging encryption solution
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SimpLite-MSN: MSN Messenger encryption


SimpLite is free for any personal use at home or at work. If you use SimpLite for work, for instance to chat with colleagues, please purchase a SimpPro license. Also, if using Simp is part of corporate policies, the company must get enough SimpPro licenses.

More information about SimpPro is available here.


  • End of life announcement for the Simp product line. More...
  • Simp 2.5 is NOT COMPATIBLE with Simp 2.2.
    If your contacts are still using Simp 2.2, please advise them to install the latest version of the 2.5 branch.
SimpLite 2.5.3 for MSN Messenger - Stable Release
File Name: SimpLite-MSN-2_5_3-en.msi
Version: 2.5.3
Date Published: 2011/01/14
Operating System Windows 2000 / XP / Vista / 7
Download Size: 3826.50 KB
Estimated Download Time: 9 min @ 56K, < 1 min @ 512K
PGP Detached Signature: SimpLite-MSN-2_5_3-en.msi.sig

To verify signature for our packages, use our PGP key. If you do not wish to verify signatures, just ignore the .SIG files and use the .MSI file to install Simp.

If your system doesn't recognize MSI files, please install: "Microsoft Windows Installer 2.0 for Windows 9x/Me" or "Microsoft Windows Installer 2.0 for Windows NT4/2000".

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