Opening a PQT File

The PQT file type is primarily associated with Power BI Desktop.

PQT	File extension: PQT
	File type:	data file

What is a PQT file?

PQT files mostly belong to Power BI Desktop. A PQT file may serve one of two distinct roles. In one case, the file is a compressed data file storing a serialized Pandas DataFrame. This version is used to save large, structured data objects in a compact binary form so that data can be loaded quickly by Python’s Pandas library.
In the other case, a PQT file acts as a Power Query Template. It contains a set of query definitions and data transformation instructions used by Power BI Desktop. This type of file is packaged in a ZIP container to bundle its components, and it is designed for reuse within data modeling and report building workflows.
Key points summarized by FilExt.com:

Use Python with Pandas to open the serialized data files.

Open Power Query Templates with Power BI Desktop (more details).

Review the file header (often with a text editor) to determine which type you have.

Always use the appropriate tool to prevent file corruption.

How to open PQT files

You need a suitable software like Power BI Desktop to open a PQT 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 PQT file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a PQT file directly in the browser:. Just drag the file onto this browser window and drop it.

Online PQT Text Viewer

Choose your .pqt file to analyze

or drag and drop it here

Online File Viewer

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PQT file extension format:

A file format defines how the data in the file is structured. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. However, different programs can use the same file extension, and file extensions can be assigned incorrectly. If there are problems opening a file, you must first determine the file format used. In the following you will find our evaluation of the PQT files:

PQT is not a commonly used file extension and is used by a few programs, each with its own file format. The two most popular formats are as follows:

• 55% of all PQT files start with the bytes PAR1, which are crucial for this file format. These are binary files, so they do not contain words or text. The files are 34 KB to 70 MB in size, with a median of 6 MB. The file type is a fairly new file format. The files contain the following words: PAR1. The following filename is common: baseline_data.pqt or public_train.pqt. Files like these are about data, train, baseline, public, dataset, submit, goal and table.
• 35% of all PQT files are based on the zip format, so multiple files are compressed and stored together in one PQT file. Such a ZIP file contains 4 to 4 files with names like MashupDocument.pq, MashupMetadata.json, Metadata.json and [Content_Types].xml. If you'd like to see the images and files included, just rename the file extension to .zip and double-click. The files are 1 KB to 4 KB in size, with a median of 2 KB. The keywords MashupMetadata.json are typical for these files. The following filename is common: Test.pqt or ContosoSales.pqt. These files are attributed to sales, dataflow, template, contoso, power, queries, report, query and load.

All other PQT files (10%) have no consistent format. These files sometimes refer to desjarlais, comments, flights, project, events, output, trials, biden, blood or past. Drag & drop your file here to see the file format and a preview of your PQT file!