Opening a TDL File

The TDL file type is primarily associated with ToDoList.

TDL	File extension: TDL
	File type:	data file

What is a TDL file?

TDL files mostly belong to ToDoList. TDL files are used for more than one purpose. They sometimes store data as XML and may contain a Task Data List for managing to-do items. In other cases, they hold vehicle diagnostic log information written in XML, often known as a Telemetry Data Log. There is also a use case where a TDL file contains an MP4 formatted partial video download, used by download managers.
Use the following points to guide you:

Task Data Lists: XML files that organize tasks. More details can be found at Abstractspoon.

Diagnostic Logs: XML files that record vehicle telemetry and other diagnostic data, used by AutoTap Diagnostic Software.

Partial Video Downloads: MP4 files that store temporary video data, as seen with Total Downloader via Telegram Desktop.

FilExt.com tips: Because a TDL file might be an XML-based document or an MP4 container, it is best to check the file’s content. If you see XML tags near the start, try opening it with a text or XML editor. If it appears to be a video file, use a compatible media player.

How to open a TDL file

You need a suitable software like ToDoList to open a TDL file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your TDL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a TDL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online TDL Text Viewer

Choose your .tdl file to analyze

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Online File Viewer

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Programs that open and convert TDL files:

ToDoList
See the previous paragraphs to learn more about the main application. TDL files are often referred to as ToDoList data files because this type of file is primarily created or used by this software.
FOCUS Three Dimensional Look File
Intuit de Online Dat File
Stratum Library File

Technical Data for TDL File Extension

File classification:

Data

Related files:

tcp, tdlex, rename, tld, tlds, exe, txt, ltd, zip, jpg, xlsx, bak, pptx, pdf, xml, mp4, log, json, dat

Mime type:

application/octet-stream

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: tdlfile, FileType: TD Download Accelerator file list, AppName: IE Support for TDDA

ProgramID: tdlfile, FileType: Template Description Language File, AppName: Microsoft Visual Studio NET 2002

ProgramID: tdlfile
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET\Common7\IDE\devenv.exe /dde

ProgramID: VisualStudio.tdl.7.1
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET

ProgramID: VisualStudio.tdl.7.1
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET 2003\Common7\IDE\devenv.exe /dde

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a tdl data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with TDL files

Associate the TDL file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest TDL file format. Search, therefore, e.g. on the manufacturer website after an available ToDoList update.
To make sure that your TDL file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .TDL file online - secure, fast, and no downloads needed.