Opening SDO Files

The SDO file type is primarily associated with Visma Addo.

SDO	File extension: SDO
	File type:	digital document file

What is an SDO file

SDO files mostly belong to Visma Addo.

The SDO files are not a single standard format. Instead, they are used by different companies to store digital documents and data in a secure format.
For example, consider the following cases:

XML Signed Document: Over half of the SDO files use an XML structure to store a secure, digitally signed document. This is often called a Secure Digital Object file and is produced by Visma Addo. Its structure helps verify digital signatures and preserves document integrity.
Solartron Data File: A smaller share is used by IviumSoft. These files, sometimes known as Scientific Data Output, serve to store measurement data from scientific instruments. More details can be found at IviumSoft.
Smart Document Format (ZIP-based): Some SDO files are archives (ZIP containers) that package a Smart Document. They may contain elements similar to those in StarOffice/OpenOffice Draw. For more information, visit SmartDocuments.
SilverDoc Document: A few of these files are created as SilverDoc documents used for design purposes, including sewing design files produced by Stitch Era.
PDF Document: A minor portion is formatted as PDF, created by HP Exstream, and intended for PDF readers. Additional details are available at HP Exstream.

FilExt.com tip: Because the internal format of an SDO file depends on its origin, you should check the file’s properties to decide which application is needed to open it. Use XML or specialized viewers for signed documents, ZIP tools for smart document archives, and a PDF reader when the file contains PDF data.

How can I open an SDO file?

You need a suitable software like Visma Addo to open an SDO file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your SDO file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a SDO file directly in the browser:. Just drag the file onto this browser window and drop it.

Online SDO Text Viewer

Choose your .sdo file to analyze

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

Programs that open and convert SDO files:

Visma Addo
See the previous paragraphs to learn more about the main application. SDO files are often referred to as Visma Addo data files because this type of file is primarily created or used by this software.
DB/TextWorks (Database Deferred Update Directory) by Inmagic, Inc.
Inmagic TextWorks and WebPublisher PRO together provide a do-it-yourself customizable solution for information management. The identifying characters used for this association are - Hex: 53 44 4F 20 30 30 34 20, ASCII: SDO.004.
Sealed (Word Document) by SealedMedia
SealedMedia software integrates with existing business systems to deliver protection of valuable digital information. It enables complete control over who can use sensitive information and when. The originator can change rights to access and use a document even after it’s been delivered including revoking access. The Mime types used with this association are: application/vnd.sealed.doc. The identifying characters used for this association are - Hex: 53 6F 66 74 53 45 41 4C 20, ASCII: SoftSEAL. Related links: Unsealer

Technical Data for SDO File Extension

File classification:

Data

Identifier:

Hex: 53 44 4F 20 30 30 34 20, ASCII: SDO.004 (provided by TrID database)

Related files:

odg, sdocx, sdoc, sod, xml, exe, zip, tbm, tba, ixl, pdf, dat

Mime type:

text/plain

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: SealedMedia.doc
EXEFile: %ProgramFiles%\Internet Explorer\iexplore.exe %1

an sdo digital document file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with SDO files

Associate the SDO file extension with the correct application.
Update your software that should actually open digital document files. Because only the current version supports the latest SDO file format. Search, therefore, e.g. on the manufacturer website after an available Visma Addo update.
To make sure that your SDO file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .SDO file online - secure, fast, and no downloads needed.