ACCDR File Extension

Access Runtime Application
- File Type accdr
- Developer Microsoft
- Popularity
- Application Microsoft Access
- Category Data Files, Database Files
- Format Binary
What is a ACCDR file?
The ACCDR extension is used by Access Runtime Application and falls under the categories of Data Files and Database Files, covering 6462 files.
Microsoft, the developer of the Access Runtime Application (ACCDR), has released file format and 242 programs designed to handle them.
ACCDR files are compatible with various operating systems, including Windows, Mac OS and Linux. There are 3 programs available to open a ACCDR file, including popular tools like Microsoft Access, Microsoft 365 and Microsoft Office.
Programs that support ACCDR files
How to open a ACCDR file?
If you are having trouble opening a ACCDR file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.
Microsoft Access, Microsoft 365 and Microsoft Office are among the most widely used programs for handling ACCDR files. To set up the newest version of Microsoft Access on your device, simply go to the official Microsoft website. There you can download the edition compatible with every operating system.
Once setup is done, your operating system should assign Microsoft Access as the default app for ACCDR files.
Set Microsoft Access as the default ACCDR program
Change Default Program on Mac
- Right click or Control + left click on the desired ACCDR file;
- Choose "Open in Application" and click "Other";
- Scroll down to the bottom of the window, where you will find the "Enable" menu. Default, "Recommended Programs" will be selected;
- In this menu, choose "All Programs" and navigate to Microsoft Access. Check the box next to "Always open in app" to make it the default program.
Change default programs in Windows
- To get started, right-click your ACCDR file, then choose "Open With" and select "Choose Another Application" from the context menu;
- In the pop-up window, select the Microsoft Access application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening ACCDR files.
How to edit a ACCDR file?
To modify ACCDR files, it is necessary to install dedicated software that lets you open and edit data files. Online ACCDR editors generally offer fewer tools compared to programs designed for Access Runtime Application.
Best ACCDR editors 2026
Following these criteria, we have put together a list of recommended ACCDR editors.
| ACCDR Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Microsoft Access | Microsoft | Windows | 4.7 out of 5 (38 reviews) |
Convert files to and from ACCDR
If you struggle with a ACCDR file, consider converting it to alternative formats such as CSV, XLS, MDB, ACCDB or other similar file types.
It is important to understand that converting a ACCDR file might limit certain functions, but this conversion is usually reversible.
Convert ACCDR to other file formats
Solve problems with ACCDR files
If you encounter issues with ACCDR files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.
What are the steps to repair a damaged ACCDR file?
Start a data recovery program and open the damaged ACCDR file. Then, choose the "Repair" option from the menu. Please wait patiently for the recovery process to finish as it will automatically repair the damaged data files.
How can I determine if my ACCDR file is damaged?
The signs of corrupted ACCDR data files can manifest as:
- Trying to work with the archive in Microsoft Access or other programs causes instability or program crashes;
- Error notifications appear during file manipulation;
- The file does not open correctly or displays error messages;
- An unexplained increase in the size of the ACCDR file;
- The file shows slow performance when edited in Microsoft Access;
What are the reasons behind Microsoft Access crash?
Insufficient software updates are a likely cause of Microsoft Access crashes. Be sure to install the latest updates for Microsoft 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.






