TOB File Extension

What is TOB file?

Full format name of files that use TOB extension is ZEMAX Object Data. ZEMAX Object Data format was developed by ZEMAX Development Corporation. TOB file format is compatible with software that can be installed on Windows system platform. TOB file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. ZEMAX is by far the most used program for working with TOB files. Software named ZEMAX was created by ZEMAX Development Corporation. In order to find more detailed information on the software and TOB files, check the developer’s official website.

Programs which support TOB file extension

Programs that can handle TOB files are as follows. Files with TOB suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with TOB extension?

There can be multiple causes why you have problems with opening TOB files on given system. Fortunately, most common problems with TOB files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Download and install ZEMAX

The most common reason for such problems is the lack of proper applications that supports TOB files installed on the system. The solution is straightforward, just download and install ZEMAX. The full list of programs grouped by operating systems can be found above. If you want to download ZEMAX installer in the most secured manner, we suggest you visit ZEMAX Development Corporation website and download from their official repositories.

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

You still cannot access TOB files although ZEMAX 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. If you have an older version of ZEMAX installed, it may not support TOB format. The most recent version of ZEMAX is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate ZEMAX Object Data files with ZEMAX

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

Selecting the first-choice application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the TOB file
• Click Choose another app and then select More apps option
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the ZEMAX installation folder. Confirm by checking Always use this app to open TOB files box and clicking OK button.

Selecting the first-choice application in Mac OS

• By clicking right mouse button on the selected TOB file open the file menu and choose Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• If you followed the previous steps a message should appear: This change will be applied to all files with TOB extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the TOB is not faulty

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 TOB file. It is probable that the file is corrupted and thus cannot be accessed.

1. Check the TOB file for viruses or malware

If the TOB 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 TOB file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

Did you receive the TOB file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with TOB extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the ZEMAX Object Data file again.

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

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

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 ZEMAX Object Data files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle TOB files.

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