D2 file icon

D2 File Extension

Progress Database

What is D2 file?

Full format name of files that use D2 extension is Progress Database. Files with D2 extension may be used by programs distributed for Windows platform. D2 file format, along with 403 other file formats, belongs to the Database Files category. The software recommended for managing D2 files is Progress ObjectStore. Software named Progress ObjectStore was created by Progress Software Corporation. In order to find more detailed information on the software and D2 files, check the developer’s official website.

Programs which support D2 file extension

Programs that can handle D2 files are as follows. Files with D2 extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support D2 file

How to open file with D2 extension?

There can be multiple causes why you have problems with opening D2 files on given system. What is important, all common issues related to files with D2 extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the Progress ObjectStore

Install software to open D2 file Problems with opening and working with D2 files are most probably having to do with no proper software compatible with D2 files being present on your machine. To address this issue, go to the Progress ObjectStore developer website, download the tool, and install it. It is that easy The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Progress ObjectStore website and download the installer.

Step 2. Check the version of Progress ObjectStore and update if needed

Update software that support file extension D2If you already have Progress ObjectStore installed on your systems and D2 files are still not opened properly, check if you have the latest version of the software. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why D2 files are not compatible with Progress ObjectStore. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Progress ObjectStore.

Step 3. Set the default application to open D2 files to Progress ObjectStore

If you have the latest version of Progress ObjectStore installed and the problem persists, select it as the default program to be used to manage D2 on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with D2 file on Windows

Change the default application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the D2 file
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the Progress ObjectStore installation folder. Confirm by checking Always use this app to open D2 files box and clicking OK button.
Associate software with D2 file on Mac

Change the default application in Mac OS

  • From the drop-down menu, accessed by clicking the file with D2 extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select Progress ObjectStore and click Change for all...
  • A message window should appear informing that This change will be applied to all files with D2 extension. By clicking Continue you confirm your selection.

Step 4. Check the D2 for errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper D2 file. Problems with opening the file may arise due to various reasons.

Check D2 file for viruses
1. Verify that the D2 in question is not infected with a computer virus

If the D2 is indeed infected, it is possible that the malware is blocking it from opening. Scan the D2 file as well as your computer for malware or viruses. If the scanner detected that the D2 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Verify that the D2 file’s structure is intact

If the D2 file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the D2 file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the Progress Database file again.

4. Make sure that the system has sufficient resources to run Progress ObjectStore

If the systems has insufficient resources to open D2 files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Progress Database file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle D2 files.

Do you want to help?

If you have additional information about the D2 file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on D2 file.

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