TLP File Extension

What is TLP file?

Full format name of files that use TLP extension is Microsoft TimeLine Project. Microsoft TimeLine Project format was developed by Microsoft. TLP file format is compatible with software that can be installed on Windows system platform. Files with TLP extension are categorized as Data Files files. The Data Files subset comprises 1326 various file formats. Users are advised to use Tulip software for managing TLP files, although 1 other programs can also handle this type of file.

Programs which support TLP file extension

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

Being unable to open files with TLP extension can be have various origins. Fortunately, most common problems with TLP 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. Download and install Tulip

The main and most frequent cause precluding users form opening TLP files is that no program that can handle TLP files is installed on user’s system. The most obvious solution is to download and install Tulip or one to the listed programs: Microsoft Project. The full list of programs grouped by operating systems can be found above. The safest method of downloading Tulip installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Update Tulip to the latest version

If you already have Tulip installed on your systems and TLP files are still not opened properly, check if you have the latest version of the software. 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 TLP files are not compatible with Tulip. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Tulip.

Step 3. Assign Tulip to TLP files

After installing Tulip (the most recent version) make sure that it is set as the default application to open TLP files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Change the default application in Windows

• Right-click the TLP file and choose Open with option
• Next, select the Choose another app option and then using More apps open the list of available applications
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Tulip installation folder. Confirm by checking Always use this app to open TLP files box and clicking OK button.

Change the default application in Mac OS

• Right-click the TLP file and select 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 TLP extension. Next, click the Continue button to finalize the process.

Step 4. Ensure that the TLP 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 TLP file. Problems with opening the file may arise due to various reasons.

1. The TLP may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the TLP 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. TLP file is infected with malware? Follow the steps suggested by your antivirus software.

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

If the TLP file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with TLP 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

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

4. Verify that your device fulfills the requirements to be able to open Tulip

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

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

Latest versions of programs and drivers may help you solve problems with Microsoft TimeLine Project files and ensure security of your device and operating system. It may be the case that the TLP files work properly with updated software that addresses some system bugs.

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