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Free disk encryption software for PCs and PDAs
(PDA version of WWW site)

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The latest versions of FreeOTFE / FreeOTFE4PDA and FreeOTFE Explorer can be downloaded from here.

Previous releases are also available for download.

To verify the integrity of the software you download from here, please see the Integrity Checks page.

FreeOTFE v5.10
This is the PC version of FreeOTFE, and includes full documentation.

Note: You only need to download one package from the following options. FreeOTFE is packaged in several different ways. If you are unsure which to get, please download and use the "Installation package".

Installation package Most PC users will want to download this one
 
ZIP archive Binary files as ZIP archive
U3 package Release packaged ready for use with U3 devices
 
portableapps.com package Version packaged for use with the portableapps.com menu system
Documentation FreeOTFE comes complete with full documentation. An Adobe Acrobat PDF version may also be downloaded separately from here.

FreeOTFE4PDA v5.10
This is the PDA version of FreeOTFE4PDA, and includes full documentation.

Upgrading from a previous version? Please note that although FreeOTFE4PDA still comes with all hash/cypher drivers, only the SHA-xyz and AES drivers are enabled by default in v3.75 onwards. To mount existing volumes secured using other algorithms, please enable the relevant hash/cypher drivers via the "Options" dialog. (See Advanced Topics, "Enabling/Disabling Hash/Cypher Algorithms" section, for details)

Note: You only need to download one package from the following options. FreeOTFE4PDA is packaged in several different ways. Most users will want to download the "ActiveSync installation package"

ActiveSync installation package Most PDA users will want to download this one
 
CAB file installation package CAB release for copying to a PDA installing without a PC
 
ZIP archive Binary files as ZIP archive
Documentation FreeOTFE4PDA comes complete with full documentation. An Adobe Acrobat PDF version may also be downloaded separately from here.

FreeOTFE Explorer v3.40
This is FreeOTFE Explorer, and includes full documentation.

Note: You only need to download one package from the following options. FreeOTFE is packaged in several different ways. If you are unsure which to get, please download and use the "Installation package".

Installation package Most users will want to download this one
 
ZIP archive Binary files as ZIP archive
U3 package Release packaged ready for use with U3 devices
 
portableapps.com package Version packaged for use with the portableapps.com menu system
Documentation FreeOTFE Explorer comes complete with full documentation. An Adobe Acrobat PDF version may also be downloaded separately from here.

Source code
Source release Source code for FreeOTFE, FreeOTFE4PDA and FreeOTFE Explorer.
Note: A copy of the SDeanComponents is required to build the PC GUIs.