A daily updated filename extension database!

SPDF file extension

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

  • What is the .spdf file?
  • What program do I need to open a .spdf file?
  • How can the .spdf file be opened, edited or printed?
  • How can I convert .spdf files to another format?

Table of Contents

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

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

✅ Sealed PDF Document

Sealed PDF Document .spdf file icon
SPDF file is a Sealed PDF Document. Sealed documents are encrypted files that are accessible only to authorized users.
Category: Document files
Application: Oracle IRM Desktop
Mime-type: application/vnd.sealedmedia.softseal.pdf
Magic number: -
Magic string: -
Sample: -
SPDF aliases:
SPDF related links:
SPDF related extensions:
Portable Document Format

Sealed Word Document

Sealed PowerPoint Presentation

Sealed HTML Document

Sealed PNG Image

Sealed GIF Image

Sealed JPEG Image

Sealed Excel Document

Sealed Word Template

Sealed Excel Template

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

🚫 The .spdf file extension is often given incorrectly!

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

epdf, pdf, sdf, spd, spdb, spdc, spef, spf, sprf

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Windows Server Security Policy Database
Iconics GraphWorx32 Symbol Library
StruCAD 3D Model
iGO Primo SpeedCam Database
SpecTRM Specification
Microsoft SQL Server Database
Manip Saved Proof File
SAS SPD Data Set
SPSD/M Database
FreeWave Tool Suite Data

🔴 Can't open a .spdf 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 .spdf 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 .spdf file extension, write to us!

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