Back4Sure was tested under Windows XP, Windows 7 (32/64 bit), Windows 8 (32/64 bit), Windows 10 (32/64 bit) and Windows 11. There are no special requirements, though it is recommended to have enough RAM if you plan to use the compression option.

If you plan to use Back4Sure in a fixed installation, download the file "Back4SureSetup.exe" or "Back4Sure64Setup.exe" for 64-bit operating systems, execute it and follow the instruction of the setup wizard. To run this program from a USB drive, download the zip file "" or "" and unpack it to the drive.

Downloads for 32-bit operating systems

File Description Size
Back4SureSetup.exe Setup file for Back4Sure, version 3.7.9 4424kB Portable version of Back4Sure, version 3.7.9 3842kB

Downloads for 64-bit operating systems

File Description Size
Back4Sure64Setup.exe Setup file for Back4Sure (64-bit), version 3.7.9 4809kB Portable version of Back4Sure (64-bit), version 3.7.9 4396kB

Manual in PDF format for printing

File Description Size
ManualBack4SureGerman.pdf German manual for version 3.7 1237kB
ManualBack4SureEnglish.pdf English manual for version 3.7 1122kB
ManualBack4SureFrench.pdf French manual for version 3.7 958kB

Other downloads

7Zip interface dll

Back4Sure uses a very simple 7Zip dll, which is derived from the console application of the original 7Zip sources. The dll is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

Be aware that the modifications made are specifically tailored for usage with Back4Sure and may not be of big use as lots of features are missing.

File Description Size Source code of the Ez7Zip.dll used by Back4Sure version 3.3.0 and higher 51kB

Back4Sure for Windows 98

If you plan to use Back4Sure under Windows 98, please use the older version 1.0.1 listed below. Be aware, that this version has by far less features and is not supported anymore.

File Description Size
Back4SureSetup_1_0_1.exe Setup file for Back4Sure, version 1.0.1 1047kB Portable English version of Back4Sure, version 1.0.1 696kB Portable German version of Back4Sure, version 1.0.1 710kB