>> OTLB file

OTLB file format description

Many people share .otlb files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .otlb file can be edited, converted or printed with. On this page, we try to provide assistance for handling .otlb files.

1 filename extension(s) found in our database.

.otlb - Microsoft OLE Type Library

The OTLB data files are related to Microsoft Visual Studio. OTLB file is a Microsoft OLE Type Library. Object Linking and Embedding (OLE) is a proprietary technology developed by Microsoft that allows embedding and linking to documents and other objects.

Microsoft Visual Studio
Data files
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Microsoft OLE Type Library related extensions:
Weblogic Admin UserKey Data
Adobe PageMaker for Mac Document
FFPX Sequence Data
FFPX Tab Sets Data
Adobe PageMaker for Mac Template
BMW iDrive Multimedia Data

Naturally, other applications may also use the .otlb file extension. Even harmful programs can create .otlb files. Be especially cautious with .otlb files coming from an unknown source!

Can't open a .otlb file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .otlb file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

olb, otb, otl, otln, tlb

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Synergy/DE Object Library
Oracle Forms Object Library Module Binary
Cadence OrCAD Binary Library Database
Visual Basic OLE Type Library
HP OpenVMS Text Library
OTA Bitmap

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .otlb file format, then write to us!

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