>> NUMBERS-TEF file

NUMBERS-TEF file format description

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

1 filename extension(s) found in our database.

.numbers-tef - Apple Numbers iCloud Spreadsheet

The NUMBERS-TEF document files are related to Apple Numbers. NUMBERS-TEF file is an Apple Numbers iCloud Spreadsheet. Numbers is a spreadsheet application developed by Apple Inc. as part of the iWork productivity suite alongside Keynote and Pages.

Apple Numbers
Document files
0x50, 0x4b, 0x03, 0x04 / PK
Apple Numbers iCloud Spreadsheet related extensions:
PureFlow Flowchart
easyOFFER Real Estate Form
SolidWorks 2D Vector Drawing
BobCAD-CAM Document
iWork Keynote iCloud Presentation
Apple Pages Document

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

Can't open a .numbers-tef 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.

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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