OLL File Extension

What is OLL file?

Full format name of files that use OLL extension is TrialDirector Load. TrialDirector Load format was developed by inData Corporation. Files with OLL extension may be used by programs distributed for Windows platform. Files with OLL extension are categorized as Settings Files files. The Settings Files subset comprises 1305 various file formats. The most popular software that supports OLL files is TrialDirector. On the official website of inData Corporation developer not only will you find detailed information about theTrialDirector software, but also about OLL and other supported file formats.

Programs which support OLL file extension

Below is a table that list programs that support OLL files. Files with OLL 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 OLL extension?

There can be multiple causes why you have problems with opening OLL files on given system. Fortunately, most common problems with OLL files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the TrialDirector

Problems with opening and working with OLL files are most probably having to do with no proper software compatible with OLL files being present on your machine. The solution is straightforward, just download and install TrialDirector. 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 TrialDirector website and download the installer.

Step 2. Update TrialDirector to the latest version

You still cannot access OLL files although TrialDirector is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why OLL files are not compatible with TrialDirector. The latest version of TrialDirector should support all file formats that where compatible with older versions of the software.

Step 3. Assign TrialDirector to OLL files

If you have the latest version of TrialDirector installed and the problem persists, select it as the default program to be used to manage OLL on your device. The method is quite simple and varies little across operating systems.

Change the default application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the OLL file
• 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 TrialDirector installation folder. Confirm by checking Always use this app to open OLL files box and clicking OK button.

Change the default application in Mac OS

• By clicking right mouse button on the selected OLL file open the file menu and choose Information
• Open the Open with section by clicking its name
• Select TrialDirector and click Change for all...
• A message window should appear informing that This change will be applied to all files with OLL extension. By clicking Continue you confirm your selection.

Step 4. Verify that the OLL is not faulty

Should the problem still occur after following steps 1-3, check if the OLL file is valid. Being unable to access the file can be related to various issues.

1. Check the OLL file for viruses or malware

If the file is infected, the malware that resides in the OLL file hinders attempts to open it. Scan the OLL file as well as your computer for malware or viruses. If the scanner detected that the OLL file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

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

If you obtained the problematic OLL file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the OLL file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. 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 TrialDirector

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

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with TrialDirector Load files. It is possible that one of the available system or driver updates may solve the problems with OLL files affecting older versions of given software.

Do you want to help?

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