GROB file icon

GROB File Extension

Graphic Object Bitmap Format

What is GROB file?

GROB filename suffix is mostly used for Graphic Object Bitmap Format files. Hewlett-Packard defined the Graphic Object Bitmap Format format standard. Files with GROB extension may be used by programs distributed for Mac OS, Windows platform. GROB file format, along with 522 other file formats, belongs to the Raster Image Files category. Users are advised to use XnView software for managing GROB files, although 1 other programs can also handle this type of file. On the official website of Pierre-Emmanuel Gougelet developer not only will you find detailed information about theXnView software, but also about GROB and other supported file formats.

Programs which support GROB file extension

Below you will find an index of software programs that can be used to open GROB files divided into 2 categories according to system platform supported. GROB files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support GROB file

Windows Windows
MAC OS MAC OS

How to open file with GROB extension?

Problems with accessing GROB may be due to various reasons. On the bright side, the most encountered issues pertaining to Graphic Object Bitmap Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the XnView

Install software to open GROB file The most common reason for such problems is the lack of proper applications that supports GROB files installed on the system. The solution is straightforward, just download and install XnView. 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 XnView website and download the installer.

Step 2. Verify the you have the latest version of XnView

Update software that support file extension GROBIf the problems with opening GROB files still occur even after installing XnView, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of XnView is available. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why GROB files are not compatible with XnView. The latest version of XnView should support all file formats that where compatible with older versions of the software.

Step 3. Associate Graphic Object Bitmap Format files with XnView

If you have the latest version of XnView installed and the problem persists, select it as the default program to be used to manage GROB 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 GROB 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 GROB file
  • Select Choose another app → More apps
  • Finally select Look for another app on this PC, point to the folder where XnView is installed, check the Always use this app to open GROB files box and conform your selection by clicking OK button
Associate software with GROB file on Mac

Change the default application in Mac OS

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

Step 4. Verify that the GROB is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the GROB file in question. It is probable that the file is corrupted and thus cannot be accessed.

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

If the GROB is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the GROB file is indeed infected follow the instructions below.

2. Ensure the file with GROB extension is complete and error-free

If the GROB 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. When downloading the file with GROB extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

Some files require elevated access rights to open them. Log out of your current account and log in to an account with sufficient access privileges. Then open the Graphic Object Bitmap Format file.

4. Check whether your system can handle XnView

The operating systems may note enough free resources to run the application that support GROB files. Close all running programs and try opening the GROB file.

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

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

Do you want to help?

If you have additional information about the GROB 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 GROB file.

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