PROS / PKZIP offers a full array of features and ample formats to zip and unzip your files to make them easy to email, share and archive. It offers good customer support, including by telephone.
CONS / It lacks a few compression and extraction formats that some of its competitors offer.
VERDICT / This file compression software relies heavily on the ZIP format and is a longtime leader in the file-compression industry. It should meet most of your needs.
PKZIP file compression software has a long history in ZIP programs. Developer PKWARE originated the popular ZIP file format in 1989 and has been prominent in the industry ever since. The format is integrated into Windows and Mac operating systems.
This ZIP software offers all the standard features outlined on our lineup. It uses ZIP files to let you compress files to easily exchange via email and file-sharing services. You can use it to compress PDF files and to compress files to store them on CDs and DVDs.
PKZIP loses points in our ranking because it offers fewer standard compression and extraction formats than other products on our lineup. Of the formats we evaluated, PKZIP supports ZIP, BZ2 and TAR. It also supports GZIP, UUEncode, XXEncode, JAR, OpenPGP, BZIP2 and TAR GZIP files. It does not support CAB, RAR, 7Z or LHA/LZH compression formats.
It supports the ZIP, CAB, RAR, GZ and TAR extraction formats listed on our lineup. PKZIP also extracts JAR, BZ2, LZH, LZMA, PPMd, UUEncode, XXEncode and OpenPGP files. It does not support ISO, TGZ, 7Z or IMG extraction formats.
This software offers a useful toolbar with five tabs: Home, Organize, Compression Extraction, View and Miscellaneous. Each is easy to use and works smoothly.
There's a wizard to help you create new archives, update existing archives or extract files from an archive.
You can create a new email profile and email compressed files directly from this ZIP software.
PKZIP lets you show compression ratios by enabling the columns feature. You can right-click on the column to enable it.
You can zip files directly from Microsoft Office applications, including those from Word, Excel and PowerPoint. You can encrypt your ZIP files from these applications to keep them secure. PKZIP integrates with Microsoft Outlook to email ZIP files and encrypt them automatically, if desired.
This file compression software is one of only two we reviewed that offer telephone support. This can be a great advantage if you need to talk to a live person to troubleshoot or figure out the software. There's also a user guide, FAQs and email support. This software does not offer a user forum or live chat support.
PKZIP file compression software produces the widely used ZIP format, which goes a long way toward usefulness. It lacks some compression and extraction formats that we looked for in our ranking. Overall, it's solid ZIP software that will meet your compression and extraction needs.