>> TOB file

TOB file format description

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

1 filename extension(s) found in our database.

.tob - Zemax Object Data

The TOB data files are related to Zemax. TOB file is a Zemax Object Data. Zemax is a commonly used entry-level optical design program for Microsoft Windows sold by American company Radiant Zemax.

Data files
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Zemax Object Data related extensions:
Zemax ASCII Glass Catalog
Zemax Binary Glass Catalog
Zemax Binary Image Surface Data
Zemax Element Drawing Settings
Zemax Image Surface Data
Zemax Element Drawing Note

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

Can't open a .tob 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 .tob file extension is often given incorrectly!

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

tpb, fob, toh, tof, tkb, tbo, rob, ob, gob, yob, ton, tog, tlb, tib, tb

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

GROMACS Binary Input File
Microsoft Dynamics NAV Object Container
Visual Basic OLE Type Library
WinTask Compiled Executable
Dark Forces Game Archive

Operating systems

DataTypes.net 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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