SD1 File Extension

Dali Raw Image
- File Type sd1
- Developer Adobe Systems Incorporated
- Popularity
- Application Adobe Lightroom
- Category Camera RAW Files
What is a SD1 file?
The SD1 file extension is linked to Dali Raw Image and belongs to the Camera RAW Files category, which includes 51 files.
With the creation of the Dali Raw Image (SD1), Adobe introduced file format along with 81 programs built for their use.
SD1 files are compatible with various operating systems, including Mac OS, Linux and Windows. You can view a SD1 file using one of 2 programs, for example XnView and Adobe Lightroom.
Programs that support SD1 files
How to open a SD1 file?
The most common reason why a SD1 file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
XnView and Adobe Lightroom are recognized as the most popular software solutions for dealing with SD1 files. To install the most up-to-date edition of Adobe Lightroom, visit the official Adobe website. You can download the build that works across all operating systems.
After completing the installation, SD1 files should be recognized by the system and linked to Adobe Lightroom.
Set Adobe Lightroom as the default SD1 program
Setting a default program by file type in Windows
- Start by right-clicking on your SD1 file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- In the pop-up window, select the Adobe Lightroom application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening SD1 files.
Change Default Program on Mac
- Right click or Control + left click on the desired SD1 file;
- Select "Open in application" and click "Other";
- In the lower section of the window, you’ll find the "Enable" menu, with "Recommended Programs" pre-selected as the default option;
- Select "All Programs" in this menu, and then search for Adobe Lightroom. Check the box next to "Always open in app" to make sure it’s the default option.
How to edit a SD1 file?
Editing SD1 files requires installing professional software that lets you open and edit camera raw files. Online editors have more limitations compared to dedicated Dali Raw Image programs.
Best SD1 editors in 2026
Taking the above factors into account, we have selected a list of SD1 editors currently available.
| SD1 Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Adobe Lightroom | Adobe | Windows, Mac OS | 4.2 out of 5 (43 reviews) |
Solve problems with SD1 files
While SD1 files can sometimes present difficulties, most problems can be resolved quickly with minor software modifications. Check the tips below to help solve them.
Are there any techniques or tools available to repair a damaged SD1 file?
Use a recovery program to open the damaged SD1 file and navigate to the "Repair" menu item. Then wait for the recovery process to complete, which allows you to automatically repair corrupted camera raw files.
What are the signs that my SD1 file is damaged?
Corrupted SD1 camera raw files may show the following signs:
- Editing the archive in Adobe Lightroom is accompanied by slow performance or delays;
- File hangs or crashes in Adobe Lightroom or other programs;
- The file does not open or opens with errors;
- Unexplained increase in SD1 file size;
- Working with the file triggers the display of error messages;
What factors contribute to Adobe Lightroom crash?
Adobe Lightroom crashes can be attributed to outdated software. Make sure you have installed the latest updates for Adobe products.
Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.





