DPL File Extension

What is DPL file?

Full format name of files that use DPL extension is Delphi Package Library. Delphi Package Library format was developed by Embarcadero Technologies. DPL file format is compatible with software that can be installed on Windows system platform. Files with DPL extension are categorized as Developer Files files. The Developer Files subset comprises 1205 various file formats. The most popular program for handling DPL files is Delphi, but users can choose among 1 different programs that support this file format. Software named Delphi was created by Embarcadero Technologies, Inc.. In order to find more detailed information on the software and DPL files, check the developer’s official website.

Programs which support DPL file extension

Programs that can handle DPL files are as follows. DPL files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with DPL extension?

There can be multiple causes why you have problems with opening DPL files on given system. On the bright side, the most encountered issues pertaining to Delphi Package Library files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. We have prepared a listing of which will help you resolve your problems with DPL files.

Step 1. Install Delphi software

The most common reason for such problems is the lack of proper applications that supports DPL files installed on the system. The most obvious solution is to download and install Delphi or one to the listed programs: DPL Digital Photo Librarian. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download Delphi installer in the most secured manner, we suggest you visit Embarcadero Technologies, Inc. website and download from their official repositories.

Step 2. Check the version of Delphi and update if needed

If the problems with opening DPL files still occur even after installing Delphi, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Delphi is available. 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 DPL files are not compatible with Delphi. The latest version of Delphi should support all file formats that where compatible with older versions of the software.

Step 3. Associate Delphi Package Library files with Delphi

If the issue has not been solved in the previous step, you should associate DPL files with latest version of Delphi you have installed on your device. The method is quite simple and varies little across operating systems.

Selecting the first-choice application in Windows

• Right-click the DPL file and choose Open with option
• Click Choose another app and then select More apps option
• Finally select Look for another app on this PC, point to the folder where Delphi is installed, check the Always use this app to open DPL files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

• Right-click the DPL file and select Information
• Open the Open with section by clicking its name
• Select Delphi and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with DPL extension. Next, click the Continue button to finalize the process.

Step 4. Check the DPL for errors

Should the problem still occur after following steps 1-3, check if the DPL file is valid. Problems with opening the file may arise due to various reasons.

1. Verify that the DPL in question is not infected with a computer virus

If the file is infected, the malware that resides in the DPL file hinders attempts to open it. Scan the DPL file as well as your computer for malware or viruses. DPL file is infected with malware? Follow the steps suggested by your antivirus software.

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

If the DPL file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. It could happen the the download process of file with DPL extension was interrupted and the file data is defective. Download the file again from the same source.

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

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open Delphi

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

5. Ensure that you have the latest drivers and system updates and patches installed

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Delphi Package Library file. It is possible that one of the available system or driver updates may solve the problems with DPL files affecting older versions of given software.

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