please help improve it or discuss these issues on the talk page . learn how and when to remove these template messages a major contributor to this article appears to have a close connection with its subject . it may require cleanup to comply with wikipedia s content policies particularly neutral point of view . please discuss further on the talk page . december 2014 learn how and when to remove this template message this article contains wording that promotes the subject in a subjective manner without imparting real information . please remove or replace such wording and instead of making proclamations about a subject s importance use facts and attribution to demonstrate that importance . december 2014 learn how and when to remove this template message learn how and when to remove this template message pkware inc type private industry software founded 1986 1986 headquarters 201 e. pittsburgh ave. ste. 400 milwaukee wi u.s. area served worldwide number of employees 93 website pkware.com pkware inc. is an enterprise software company founded in 1986 by phil katz co inventor of the zip standard . pkware provides encryption and data compression software used by thousands of organizations in banking financial services healthcare and government . its zip innovations were a rallying point for early online bulletin board system and shareware communities . contents 1 history 2 patents 3 products 3.1 . zip app note 3.2 zip reader 3.3 pkarc pkpak 3.4 pkzip 3.5 securezip 3.6 securezip partnerlink 3.7 securezip for dlp 3.8 securezip openpgp support 3.9 securezip reader for mobility 3.10 viivo 4 references 5 external links history edit year event 1985 phil katz starts distributing the pkxarc utility . 1986 pkware is founded by phil katz . 1988 lawsuit from sea over distribution of the pkarc utility . 1989 pkware stops distributing pkarc . . zip file format is introduced first pkzip version is released . 2000 phil katz dies . 1 2001 new management team led by george haddix and backed by investment banking firm grace matthews purchase pkware . 2 2002 pkware partners with rsa security inc. 3 pkware acquires ascent solutions . 4 awarded pc magazine s editors choice for data compression software . 5 2004 securezip is released for windows desktop windows server unix and linux . 6 2005 securezip extends to midrange and mainframe platforms . 7 2006 securezip partnerlink is released . 8 2009 novacap technologies and maranon capital in partnership with management acquire pkware . 9 pkware names new ceo v. miller newton . 10 patents edit phil katz was granted a patent in september 1991 for his efficient search functions used in the pkzip compression process . 11 in 2001 and 2005 pkware was awarded patents for patching technology used within pkzip products . 12 in 2005 pkware was awarded a patent for methods used to manage . zip files within the windows file manager and outlook . 13 in total pkware holds four patents has over fourteen pending patents and is referenced in over eighty patents . 14 products edit . zip app note edit pkware publishes an application note on the . zip file format . 15 this application note ensures continued interoperability of the . zip file format for all users the appnote provides developers a general description and technical details of the . zip file storage specification . zip reader edit zip reader is a free windows utility . 16 any zip file can be opened with the reader program regardless of where it was created . to open an archive the user can drag and drop the desired zip file over the program and it will extract . a second method is to simply select which file to extract from within the utility . an email address is required to download zip reader from the pkware website . 16 pkarc pkpak edit pkpak formerly known as pkarc is a software utility for ms dos systems that allows the compression and decompression using the pkxarc pkunpak utilities of multiple files into the arc file format . pkzip edit pkzip is a software utility that allows for the compression decompression of multiple files and folders into a single archive . 17 the name pkzip comes from a combination of phil katz the inventor and zip for the zip file format . 17 katz co created the zip file format after a legal dispute with software enhancement associates sea over their arc archiver . pkzip was a faster alternative than arc and was quickly adopted . originally pkzip was written as shareware for dos . 17 since its creation pkware has expanded support of pkzip to windows desktop windows server unix linux ibm i and zseries platforms . a zip archive can be transferred among any of these platforms when creating and extracting with pkzip . new versions of pkzip added strong encryption algorithms to accommodate security needs . securezip edit securezip was released in 2004 by pkware as an extension of pkzip . securezip contained the same compression and passphrase protection as pkzip but also introduced digital signature authentication and digital certificate based encryption . 6 for a brief period of time pkware offered securezip express a free version of securezip available only on windows desktop for non commercial use . securezip express came with the option of receiving a comodo digital certificate good for one year . pkware discontinued securezip express at the end of 2009 . comodo certificates are still available with purchased copies of securezip . securezip uses a contingency key in its enterprise version of the software . this key is essentially a master key . contingency keys are necessary for audit review or in the case of lost or stolen passphrases . 18 the contingency key is assigned to a trusted user in the organization . that key is then used with every encrypted file as part of the natural work flow . 18 securezip partnerlink edit in 2006 the company released a new product called partnerlink . 8 as an extension of securezip pkware customers could become sponsors and provide an unlimited number of securezip partner utilities to the organization s business partners . this new licensing structure guaranteed secure exchange between business partners . the securezip partner software provided to customers can only be used to communicate with its sponsoring organization . like pkzip and securezip partnerlink is available on all major computing platforms . 8 securezip for dlp edit recognizing the importance of protecting the privacy of sensitive data at rest discovered by automated data loss prevention dlp inspection pkware announced securezip for dlp in september 2011 . 19 securezip openpgp support edit seeking to address a broader range of data encryption needs pkware expanded the scope of securezip to include support for openpgp key pairs and file encryption format with the release of securezip v14 beginning in november 2011 . 20 securezip reader for mobility edit pkware enterprise customers using securezip on other platforms encouraged the company to extend support to the increasingly common and increasingly important mobile devices used by employees particularly tablets . the company quickly moved forward to provide securezip reader for i os 21 and for android 22 in 2012 . viivo edit expanding its security offerings further into cloud computing environments like dropbox pkware introduced viivo in spring 2012 . viivo was developed outside of the traditional pkware team and methods in an effort toward disruptive innovation in the emerging cloud security market . references edit famed software pioneer dies at 37 . journal sentinel . 2000 04 22 . retrieved 2013 10 20 . phillip w. katz the eccentric inventor of computer file compression software used around the world and a pioneer in the concept of shareware is dead at age 37 . the cause of death was complications from chronic alcoholism according to medical examiner s records . katz came onto the computer scene when communication was expensive and slow . his program pkzip played a large role in making internet communication faster said a university of wisconsin milwaukee computer science ... gertzen jason . management team purchases pkware brown deer firm leads in data compression . milwaukee journal sentinel . 16 march 2001 rsa information security governance risk and compliance emc . rsa.com . pkware acquires ascent solutions inc. . excnext.com . archived from the original on june 15 2011 . pc magazines editors choice award pkzip 4.5 . pcmag . a b securezip . thefreedictionary.com . securezip introduced on i and z platforms a b c the windows observer pkware sets securezip free with partnerlink kathleen gallagher . milwaukee based pkware changes hands . jsonline.com . kathleen gallagher . ceo s move to pkware based on location . jsonline.com . patent 5 051 745 patent 6 289 509 and patent 6 952 823 patent 6 879 988 patent search what is the zip app note a b free zip reader . viloria.com . a b c what is pkzip or pkzip definition from whatis.com . whatis.com . a b contingency access to encrypted data it & security portal . it observer.com . pkware introduces securezip for dlp software . pkware extends data security software to support openpgp pdf . securezip for ios targets employee side of byod . pkware offers first enterprise level security app on google play pdf . external links edit pkware.com retrieved from https en.wikipedia.org w index.php title pkware inc. & oldid 743559273 categories companies based in milwaukeecompanies established in 1986privately held companies based in wisconsinsoftware companies based in wisconsin1986 establishments in wisconsinhidden categories wikipedia articles with possible conflicts of interest from december 2014articles with peacock terms from december 2014all articles with peacock terms navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom 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