Top Questions: (Additional questions organized by topic are below)

• Why is my registration code not working in WinZip 11?
• Why is my registration code not working in WinZip Self-Extractor 3?
• How do I upgrade to the latest version?
• How do I upgrade to WinZip Pro from WinZip Standard?
• I have lost my registration number. How do I get it?
• How do I get WinZip for free?
• How do I enter my WinZip product registration code?

Using WinZip:

• How do I customize my WinZip MSI?
• Why is WinZip slow when extracting some files?
• How do I use disk spanning?
• How do I compress a folder and later restore it?
• How do I use WinZip to process AOL e-mail attachments?
• How do I compress and e-mail files using WinZip and my e-mail program?
• How can I protect myself from viruses distributed in Zip files?
• Can I use WinZip's e-mail features with AOL?

Downloading and Registration:

• What is the easiest way to order WinZip?
• I have lost my registration number. How do I get it?
• How can I change my contact information?
• How do I upgrade to the latest version?
• I had a problem downloading WinZip. What should I do?
• How can I sign up to receive e-mail notification of upgrades and other announcements?

Additional Questions About Using WinZip:

• How do I install WinZip site licenses in a networked environment?
• Why can't I open Zip file attachments in Outlook Express 6.0 SP1?
• How do I control the folder information that WinZip stores in a Zip file?
• How do I use UUencode/BinHex/MIME support? (tutorial)
• Why don't some files (like GIFs and JPGs) compress very much?
• How do I contact WinZip technical support about a problem?
• Where can I find external programs like ARC, ARJ, LHA, etc.?

Questions on WinZip E-Mail Companion:

• What is AES Encryption?
• What does WinZip E-Mail Companion do?
• What are the requirements for WinZip E-Mail Companion?
• How do I register WinZip E-Mail Companion?
• Why don’t my configuration changes to WinZip E-Mail Companion seem to get saved?
• My e-mail provider (or my e-mail recipient) does not allow Zip files as attachments. What can I do?
• Why am I being asked if I want to zip a Zip file?
• What is the difference between “legacy” and “best method” compression?
• If I send a zipped attachment with WinZip E-Mail Companion will the person receiving the message need WinZip E-Mail Companion or WinZip?

Questions On WinZip Self-Extractor:

• What is a Self-Extracting Zip file?
• What are the requirements for WinZip Self-Extractor 3?
• Why is my registration code not working in WinZip Self-Extractor 3?
• How do Standard Self-Extractors and Self-Extractors for Software Installation differ?
• Can I customize the WinZip Self-Extractor dialog box?
• What are the differences between the full WinZip Self-Extractor and the Personal Edition version?
• Why am I suddenly getting "header corrupt" messages when I run self-extractors?
• I have lost my registration number. How do I get it?