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Microsoft Outlook Express contact file
File type: Settings, options, themes or skins file
Files with cntk extension are used by Microsoft Outlook Express program.
File type category:
Settings, options, themes or skins file
Date updated: September 11, 2017
The cntk file extension is associated with Microsoft Outlook Express, an e-mail and news client included in earlier releases of Microsoft Internet Explorer. The latest edition of Outlook Express is called Microsoft Mail Live.
The .cntk files are used to store contacts.
Files with cntk extension are not meant to be opened manually by the user.
The cntk extension files are not convertable.
Software apps that manage or store settings in cntk files:
Microsoft Windows
Software applications that handle other tasks involving cntk files:
Microsoft Windows
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