HTR File Extension

What is HTR file?

HTR is a file extension commonly associated with Microsoft Windows NT Password Services Script files. Microsoft Corporation defined the Microsoft Windows NT Password Services Script format standard. Files with HTR extension may be used by programs distributed for Windows platform. HTR file format, along with 1205 other file formats, belongs to the Developer Files category. Users are advised to use Microsoft Windows NT 4.0 software for managing HTR files, although 1 other programs can also handle this type of file.

Programs which support HTR file extension

Programs that can handle HTR files are as follows. HTR 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 HTR extension?

Being unable to open files with HTR extension can be have various origins. What is important, all common issues related to files with HTR extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with HTR files.

Step 1. Download and install Microsoft Windows NT 4.0

Problems with opening and working with HTR files are most probably having to do with no proper software compatible with HTR files being present on your machine. The most obvious solution is to download and install Microsoft Windows NT 4.0 or one to the listed programs: Microsoft IIS. Above you will find a complete listing of programs that support HTR files, classified according to system platforms for which they are available. The safest method of downloading Microsoft Windows NT 4.0 installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Update Microsoft Windows NT 4.0 to the latest version

You still cannot access HTR files although Microsoft Windows NT 4.0 is installed on your system? Make sure that the software is up to date. 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 HTR files are not compatible with Microsoft Windows NT 4.0. The most recent version of Microsoft Windows NT 4.0 is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign Microsoft Windows NT 4.0 to HTR files

If the issue has not been solved in the previous step, you should associate HTR files with latest version of Microsoft Windows NT 4.0 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 HTR file and choose Open with option
• Select Choose another app → More apps
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Microsoft Windows NT 4.0 installation folder. Confirm by checking Always use this app to open HTR files box and clicking OK button.

Selecting the first-choice application in Mac OS

• By clicking right mouse button on the selected HTR file open the file menu and choose Information
• Open the Open with section by clicking its name
• Select Microsoft Windows NT 4.0 and click Change for all...
• Finally, a This change will be applied to all files with HTR extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Ensure that the HTR file is complete and free of 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 HTR file. It is probable that the file is corrupted and thus cannot be accessed.

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

If the file is infected, the malware that resides in the HTR file hinders attempts to open it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the scanner detected that the HTR file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

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

Did you receive the HTR file in question from a different person? Ask him/her to send it one more time. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with HTR extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

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 Microsoft Windows NT Password Services Script file again.

4. Check whether your system can handle Microsoft Windows NT 4.0

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

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Microsoft Windows NT Password Services Script files. It is possible that one of the available system or driver updates may solve the problems with HTR files affecting older versions of given software.

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