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SEP File Extension

The SEP file extension was created by Developer and is also known as the Separated Image File. SEP is classified as a Raster Image Files and The format of this file type has not been determined yet. You can open SEP files in PictView program.

Separated Image File Type

Separated Image File Type
Extension .sep
Developer Not Available
Popularity 5.0 (126 Votes)
Mime Type mime-type/not.available
Default Program PictView
Category Raster Image Files
Format Not Available
Updated 7/1/2025

What is a SEP File Type?

Free Online SEP Tools & Apps

Access powerful and secure free online SEP tools to convert, view, edit, merge, split, and compare SEP files — all without installing any software. Our tools support the .SEP (Separated Image File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your SEP files directly from your device with ease.

SEP Files Common Issues

There are few common issues with the Separated Image File .SEP File Extensions while opening the .SEP files on Windows and MacOs, we have solution to those issues such as:

Can't Open SEP Files?

  1. You must have supported software programs installed for Separated Image File on your system such as PictView.
  2. Associate default Pictview PictView program for *.sep (Separated Image File) files.

    Associate SEP Default Program on Windows
    1. Right-click a *.SEP (e.g example.sep) file and click Open With.
    2. In the Open with dialog box, click Pictview PictView program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .sep files.

    Associate SEP Default Program on MacOs
    1. Click *.SEP (e.g example.sep) file and click information -> Open With.
    2. In the programs list, click Pictview PictView program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .PictView extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related SEP File Extensions

SEP default file extension is .SEP and other similer related extensions are:

All Platform Software Programs for SEP File Extension

List of all softwares that can open the SEP files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open SEP File on Windows

Software License Developer
PictView image. PictView 000 for Windows Free PictView

MacOs logo image - FileProInfo.comOpen SEP File on Mac OS

Software License Developer
Apple Script Editor image. Apple Script Editor 000 for MacOs Included with OS Apple Script Editor

Linux logo image - FileProInfo.comOpen SEP file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen SEP file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen SEP file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen SEP file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

SEP file extension icon image.About SEP - Separated Image File

FileProInfo is to help you understand about the Separated Image File with *.SEP suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for SEP. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for SEP, please let us know.

Updated 7/1/2025