A daily updated filename extension database!

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?
  • How can I convert .sec files to another format?

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

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

✅ Migration Wizard Secondary IFF File

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

✅ PTC Creo Section Data

SEC file is a PTC Creo Section Data. PTC Creo is a scalable, interoperable suite of product design software.
SEC format description not yet available
Category: Data files
Application: PTC Creo
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SEC aliases:
SEC related links:
SEC related extensions:
PTC Creo Assembly Member Information Data

PTC Creo Holemaking Parameter Data

PTC Creo Manufacturing Process Data

PTC Creo Milling Parameter Data

PTC Creo Tool Motion Parameter Data

PTC Creo Route Sheet Data

PTC Creo Turning Parameter Data

PTC Creo Cutting Tool Transfer Data

PTC Creo User-defined Feature Data

PTC Creo PPRINT Settings Table

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

🚫 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:

cec, ec, esc, s3c, sc, sce, sdc, se, sed, sef, ses, sev, sex, sfc, src

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Scilab Script
Alpha Five Set Index
Cadcorp SIS Export Dataset
Sevilla Tournament Data
SevenuP Image File
Windows CE Catalog Item
Vaa3D SWC Data
Visual SourceSafe Status 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.

🔴 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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