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>> DET file

DET file format description

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

1 filename extension(s) found in our database.

.det - Act! Email Message

DET file is an ACT! Email Message. ACT! by Sage is a customer relationship management (CRM) software application which is used to keep track of client and prospect details in a single database that can be shared by multiple users.

.det file format description:
DET format description not yet available
Data files
- / -
Act! Email Message related links:
Act! Email Message related extensions:
Act! Database Index
Act! Database File
Act! Template
Act! Database Log
Act! Company Layout
Act! Data File

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

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

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

set, cet, fet, eet, dwt, dt, drt, der, xet, def, vet, ddt, ret, et, edt

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Football Manager Data
Enlightenment EET Data File
Proben1 Dataset
SmartWare Transact Definition File
PLINK END-terminated Variant Set Membership List
DrawExpress Diagram Document

If you find the information on this page useful, please feel free to link to this page.

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