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Bitser freeware logo
Free archive and backup software for Windows


Bitser is free Windows software for managing archives and backups. It supports ZIP, ZIPX, 7Z, RAR, ISO, MSI, VHD, GZIP, BZIP2,TAR, RAR5, DMG, LZMA, LZMA2, NTFS, FAT, MBR, SquashFS, CramFS, CAB, CPIO, DEB, LZH, NSIS, RPM, UDF, WIM, XAR, XZ, Z. Bitser also provides a password manager, MD5/SHA checksum calculator to verify file integrity, can search for and delete empty folders and calculate folder sizes from the Windows explorer context menu. Bitser can also create encrypted backups of confidential data using AES-256 encryption and create or extract multiple zip files simultaneously. Bitser is ideal for creating encrypted and password protected backups that can be uploaded to your cloud storage.

download zip Bitser 11-JAN-2015 -V1.3 (3MB) Bitser donate

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Supported Operating Systems

Windows 8.1
Windows 7
Windows Vista
Windows XP
Windows Server 2003
Windows Server 2008
Windows Server 2012
32-bit and 64-bit versions are supported.
Checksum SHA-256: 85b0a0d935901358599718b fda1e6b10ca1f21ecdf77deb0c0535e523bf5a789


Microsoft .NET 4.0 which is freely available from
Microsoft's website and may already be installed on
your computer. Bitser will automatically download and
install it if its not detected during setup.