File Type of the Day
.PUB
Publisher Document
A PUB file is a document created by Microsoft Publisher, a desktop publishing program used to create professional documents and marketing materials. It contains a page layout and design elements, such as text, shapes, and vector or raster graphics.
.PDB
Program Database
A PDB file is a database file used by various applications, including Pegasus, Quicken, Microsoft Visual Studio, and Palm Pilot software. It stores data in a structured format and is typically installed with the corresponding application.
.DLL
Dynamic Link Library
A DLL file is a Dynamic Link Library, which contains compiled functions, drivers, or other data that multiple Windows programs can use. Many Windows programs use DLL files to perform common functions.
Weekly Top Extensions
—.EXEWindows Executable File —.APKAndroid Package File —.CRYPT14WhatsApp Encrypted Database File —.JPGJPEG Image —.JSONJavaScript Object Notation File .PDFPortable Document Format File+1 .ZIPZipped File+4 .NOMEDIAAndroid No Media File+1 .DATABASE_...Android Stale Thumbnails Identifier-1 .ICSCalendar File-4 .TXTPlain Text File+1 .EMLE-Mail Message+1 .RARWinRAR Compressed Archive-3 .DOCXMicrosoft Word Document+1 .BINGeneric Binary File-1 —.MP4MPEG-4 Video .HTMLHypertext Markup Language File+5 .DATData File-1 .LNKWindows Shortcut+7 .VCFvCard File-1 .RPMSGOutlook Restricted Permission Message+10 .DCMDICOM Image+8 .CSVComma-Separated Values File-5 .P7SDigitally Signed Email Message-1 .SB3Scratch 3.0 Project-1Universal File Viewers
Open your files with one of these file viewing utilities recommended by FileInfo.com.
About FileInfo.com
FileInfo.com contains a searchable database of over 10,000 file extensions with detailed information about the associated file types. You can look up information about unknown file types and find programs that open the files. Learn more about FileInfo.com.
Developers
Recent Updates
- January 23, 2026File Viewer for Android 4.10.3 is now available.
- November 29, 2025File Viewer Plus 6.2 is now available.
