| Microsoft Exchange Shortcut Format | |
| N/A | |
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XNK is a shortcut file used by Microsoft Outlook or Exchange email clients. XNK link files alow users to access folders created during email messages indexing process.
XNK file can be created by draging and dropping folde into Windows desktop or any other file location. XNK files don’t store any actual email content data. Accessing resources referenced in XNK link files is possible only after logging into Microsoft Exchange account.
Windows
| .aawdef | Ad-Aware Definitions Format |
| .abr | Adobe Photoshop Brush Format |
| .ac$ | AutoCAD Undo Info Format |
| .acc | DR DOS - ViewMax Format |
| .acl | Microsoft Office Automatic Correction List |
| .acs | Microsoft Agent Character Structured Storage Format |
| .ad | After Dark Screen Saver Format |
| .add | Microsoft Dynamics AX Developer Documentation Format |