Opening an SDI File

The SDI file type is primarily associated with Windows.

SDI	File extension: SDI
	File type:	system deployment image

What is an SDI file?

SDI files mostly belong to Windows by Microsoft. An SDI file is a system deployment image used by Microsoft products. It contains an MBR table and a boot sector which allows a Windows machine to boot from a virtual disk. Another type of SDI file contains serialized dictionary information saved by MySQL 8.0 and higher. It contains database table metadata saved in JSON format. Smart Diary personal information manager uses an SDI file to store its data index. A different SDI file stores flight data created by SeeYou flight planning/navigation software. ArcGIS geographic information system saves spatial and attribute indexes in an SDI file.

How to open an SDI file

You need a suitable software like Windows to open an SDI 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 SDI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a SDI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online SDI Text Viewer

Choose your .sdi file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert SDI files:

Windows by Microsoft
See the previous paragraphs to learn more about the main application. SDI files are often referred to as Windows disk images because this type of file is primarily created or used by this software.
BusinessMAP (map layer) by ESRI
BusinessMAP is a discontinued application that transforms information from contact managers, spreadsheets, and databases to color-filled maps. It saves a map layer in an SDI file. This file format is classified as GIS.
Fidonet (distribution network information) by Fidonet Developers
Fidonet is a communication network for bulletin board systems. Distribution network information used by Fidonet is saved in an SDI file. This file format is classified as Data.
MySQL (serialized dictionary information) by Oracle
MySQL is a relational database management system that uses a dialect of Structured Query Language. It uses an SDI file to store serialized dictionary information for database tables. This file format is classified as Database. Related links: Serialized Dictionary Information (SDI), All you need to know about SDI
QuickBooks (data) by Intuit
QuickBook is an accounting software for small and medium-sized businesses. This program is compatible with Windows and macOS. It uses an SDI file to save data. This file format is classified as Data.
SeeYou (flight data) by Naviter
SeeYou is a program that provides flight learning, planning, and navigation solutions for glider pilots. Some flight data used by SeeYou is saved in an SDI file. This file format is classified as GIS.
Smart Diary (data index) by Programming Sunrise
Smart Diary is a personal information management software for Windows desktop. It uses an SDI file to store an index of parameters and links to text data. This file format is classified as Data.
SteelPac (schedule) by Constructive Software
SteelPac RCS is a program for creating, managing, and issuing reinforcement schedules for computer-aided construction design. It uses an SDI file to transfer schedule data between design, detailing, and procurement software. This file format is classified as Data.
Stylus Studio (data) by Progress
Stylus Studio is a software suite for editing, visualizing, and debugging XML-encoded data. It can create and edit an SDI file containing information saved in Super Data Interchange format. This file format is classified as Data. Related links: DIF, SDI, SLK Adapter Properties

SDI file format details:

The file format determines how the data is stored in the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. If there are problems opening a file, you must first determine the file format used. Below you will find our evaluation of the SDI files:

SDI is not a commonly used file extension and includes different formats for different programs. However, the following two file formats are common:

45% of all SDI files store the data in the JSON file format. JSON (JavaScript Object Notation) is a lightweight data−interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. These files are text files, so they contain words and text. The files are on average 5 KB in size and range from 3 KB to 13 KB. The file type was created recently. Several words can almost always be found in the files, e.g. Table, created, dd_object, dd_object_type, dd_version, mysql_version_id, mysqld_version_id, name, sdi_version and last_altered. Files like these are about accounts, general, users, status, instances, error, slow and user.
35% of all SDI files are System Deployment Image files. The contents of these files cannot be read by a human; only a computer program can interpret the data. The file size is in the range of 3.1 MB to 3 MB. The following keywords are characteristic: $SDI0001. A usual file name is Boot.sdi.

All other SDI files (20%) have no uniform format. If you want to find out what your SDI file contains, drag and drop it onto this page.

Technical Data for SDI File Extension

File classification:

Disk Image

Related files:

bcd, myd, bootmgr, wim, ibd, efi, myi, exe, boot, bin, iso, log, sam, pdf, dll, xml, wmp, qic

Related links:

System Deployment Image

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: SharpDesk.Index
EXEFile: %ProgramFiles%\Sharp\SHARPD~1\SHARPD~1.EXE %1

ProgramID: SharpDesk.Index
EXEFile: %ProgramFiles%\TOSHIBA\DESKTO~1\Deskmng.exe %1

an sdi system deployment image is a special file format by Microsoft and should only be edited and saved with the appropriate software.

How to solve problems with SDI files

Associate the SDI file extension with the correct application.
Update your software that should actually open system deployment images. Because only the current version supports the latest SDI file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available Windows update.
To make sure that your SDI file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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