PPTX File Extension

PPTX file icon
PowerPoint Open XML Presentation
  • Developer
    Microsoft
  • Popularity
    3.7 (44 votes)

What is PPTX file?

Files with the PTTX extension are files created with the Open XML format, and they contain data of a multimedia presentation, created usually with one of the elements of Microsoft suite – PowerPoint. In Open XML standard, the contained data is not stored in a singular binary file, but in a collection of separate files, compressed into a ZIP package. In the component files of a PTTX package, the stored data concerns:

  • slideshows
  • descriptions of slides in text form
  • formatting
  • drawings
  • images
  • animations and other multimedia data

Advantages of PTTX format

PTTX files are characterised by a high availability of the contained data. The available images are stored in separate files, and the slide shows, as a text files.

What to use to open it?

PPTX is a popular and quite universal format, supported by many programs designed for creating and viewing multimedia presentations. The most popular ones include: Microsoft PowerPoint, OpenOffice Impress, or LibreOffice Impress. If You need to acquire access to the component files (for instance: only the text descriptions), perform the same actions as in case of a standard ZIP archive – utilise proper tools (like 7-Zip) and unpack the file.

Programs which support PPTX file extension

Below you will find an index of software programs that can be used to open PPTX files divided into 4 categories according to system platform supported. PPTX files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with PPTX extension?

Being unable to open files with PPTX extension can be have various origins. On the bright side, the most encountered issues pertaining to PowerPoint Open XML Presentation files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. We have prepared a listing of which will help you resolve your problems with PPTX files.

Step 1. Install PowerPoint software

The main and most frequent cause precluding users form opening PPTX files is that no program that can handle PPTX files is installed on user’s system. The most obvious solution is to download and install PowerPoint or one to the listed programs: Apache OpenOffice, WordPerfect Office, Kingsoft Presentation. Above you will find a complete listing of programs that support PPTX files, classified according to system platforms for which they are available. The safest method of downloading PowerPoint installed is by going to developer’s website (Microsoft Corporation) and downloading the software using provided links.

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

If you already have PowerPoint installed on your systems and PPTX files are still not opened properly, check if you have the latest version of the software. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that PowerPoint cannot handle files with PPTX may be that the software is outdated. The most recent version of PowerPoint is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open PPTX files to PowerPoint

After installing PowerPoint (the most recent version) make sure that it is set as the default application to open PPTX files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

  • Right-click the PPTX 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 PowerPoint installation folder. Confirm by checking Always use this app to open PPTX files box and clicking OK button.

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with PPTX extension, select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select the appropriate software and save your settings by clicking Change all
  • Finally, a This change will be applied to all files with PPTX extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the PPTX for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the PPTX file in question. Problems with opening the file may arise due to various reasons.

1. Check the PPTX file for viruses or malware

If the file is infected, the malware that resides in the PPTX file hinders attempts to open it. Scan the PPTX file as well as your computer for malware or viruses. If the PPTX file is indeed infected follow the instructions below.

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

If you obtained the problematic PPTX file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. When downloading the file with PPTX extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the PowerPoint Open XML Presentation file again.

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

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

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with PowerPoint Open XML Presentation file. It may be the case that the PPTX files work properly with updated software that addresses some system bugs.

Conversion of a PPTX file

File Conversions from PPTX extension to a different format
File conversions from other format to PPTX file
Do you want to help?

If you have additional information about the PPTX file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on PPTX file.

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