SDR file extension
The table below provides useful information about the .sdr file extension. It answers questions such as:
- What is the .sdr file?
- What program do I need to open a .sdr file?
- How can the .sdr file be opened, edited or printed?
- How can I convert .sdr files to another format?
Table of Contents
We hope you find this page helpful and a valuable resource!
3 extension(s) and 0 alias(es) found in database
✅ SmartDraw Drawing

SDR file is a SmartDraw Drawing. SmartDraw is a business graphics software. SmartDraw is used to create business graphics such as flowcharts, organization charts, Gantt charts, timelines, mind maps, floor plans, and other diagrams.
✅ QuickView Pro for DOS Soundcard Driver

SDR file is a QuickView Pro for DOS Soundcard Driver. QuickView Pro is a photo viewer software for MS-DOS.
✅ Backup Exec SDR Recovery Data

SDR file is a Backup Exec SDR Recovery Data. Symantec Backup Exec is a backup and recovery solution for small and medium-sized businesses.
Other types of files may also use the .sdr file extension.
🚫 The .sdr file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .sdr 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:
example.sdr
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 .sdr 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 .sdr file extension, write to us!