Apache OpenOffice (PortableApps) v4.1.5
Vista / Win10 / Win7 / Win8 / WinXP
Openoffice.org is written in C and with documented APIs licensed under the LGPL and SISSL Open Source licenses, OpenOffice.org allows any knowledgeable developer to benefit from the source. And, because the file format for OpenOffice.org is XML, interoperability is easy, making future development and adoption more certain.
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1License and operating system information is based on latest version of the software.
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