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Details of the .sec file extension

The table below provides useful information about the .sec file extension. It answers questions such as:

  • What is the .sec file?
  • What program do I need to open a .sec file?
  • How can the .sec file be opened, edited or printed?
  • Where can I find the specifications for .sec?
  • Which MIME-type is associated with the .sec extension?
  • How can I convert .sec files to another format?
  • What are other, similar filename extensions to .sec?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.sec file extension details

Migration Wizard Secondary IFF File

Migration Wizard Secondary IFF File .sec file icon
SEC file is a Migration Wizard Secondary IFF file. The Exchange Server Migration Wizard uses Intermediate File Format (IFF) files in all kinds of migrations that it performs. IFF files are comma-separated-value (CSV) files that you can view in a plain text editor, such as Notepad, or in a spreadsheet program such as Microsoft Excel.
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SEC aliases:
SEC related links:
SEC related extensions:
Migration Wizard Primary IFF File

Migration Wizard Packing List File

Other types of files may also use the .sec file extension.

.sec file extension error

The .sec file extension is often given incorrectly!

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

src, sex, sdc, ssc, ec, swc, sce, esc, sc, cec, sed, sef, xec, zec, ses

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

General Source Code File
ProWorx NXT Search Data
Alpha Five Set Index
OpenOffice Calc Spreadsheet
Visual SourceSafe Status File
Informix ESQL/C Source
Esterel Sorted Circuit Code
PRTWIN Escape Codes
Shockwave Flash Component File
open .sec file

Can't open a .sec 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .sec file association, check the FAQ.

.sec file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .sec file extension, write to us!

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