File Extension W3C

.W3C File

File extension: W3C
File type: Collection


Notes about the W3C file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The W3C file type is primarily associated with 'WinCatalog' by WinCatalog.com. WinCatalog is a program for cataloging disks, folders and files.

Detailed information for file extension W3C:


Primary association: WinCatalog
Company: WinCatalog.com
File classification: Database



To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

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