File Extension Database

Open RPTDEF File

RPTDEF itself is not an extension, but it is a DLL file used by the Crystal Enterprise Report Application Server software.

The RPTDEF files contain a definition of the format of the reports issued by Crystal Report.

DLL files are types of system files, more specifically known as the Dynamic Link Library format, hence the acronym DLL.

Any DLL, including the RPTDEF, is subject to replacement, in case of damage or loss of the file. On the internet there are vast databases of DLL files that allow them to be downloaded for later replacement.

Normally DLL files, even the RPTDEF, are clear targets of computer hackers, when developing malicious software, therefore, if you need to replace the RPTDEF file, you can find an updated version of said file, for example, in the following database:

DLL Website

How Can I Open RPTDEF File on Windows

We researched and learned that the best way to open RPTDEF file is to find a RPTDEF file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a RPTDEF file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open RPTDEF file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as RPTDEF file opener then try to search online for "RPTDEF viewer", "application to open RPTDEF file" or "open RPTDEF file" queries in the search engine you like.
Install the application you found and check if it can open RPTDEF file

How Can I Open RPTDEF File on Mac OS

We recommend to find a RPTDEF file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a RPTDEF file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with RPTDEF file.
If you know the Mac OS application which can work as RPTDEF file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open RPTDEF file in it.
If you don't know the application which can open RPTDEF file then try to search for "RPTDEF viewer", "application to open RPTDEF file" or "read RPTDEF file" queries in the online search engine you like.
Install the application you found and check if it can read RPTDEF file

How Can I Open RPTDEF File on Android

If you downloaded a RPTDEF file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded RPTDEF file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "RPTDEF".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "RPTDEF viewer", "RPTDEF file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open RPTDEF File on iPhone or iPad

To open RPTDEF File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the RPTDEF file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "RPTDEF". This way you can find apps which can open RPTDEF files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "RPTDEF viewer" or "RPTDEF file" online in your favorite search engine.