If you've arrived at this article because you got an error message that PowerPoint can't read a file or that the presentation cannot be opened, it's likely that Office has blocked the file for security reasons.
You can unblock the file so it can be opened:. In the Properties dialog box, look for an Unblock button near the bottom right. If it exists, click Unblock , then click Apply , and then click OK to dismiss the dialog box. Now, attempt to open the presentation again. Right-click the file in File Explorer and select Open. If you're having a problem with PowerPoint that's not resolved here, please contact us for technical support.
For a discussion about why Office blocks files, read Block or unblock external content in Office documents. Need more help? Firstly try a third-party recovery tool PowerPoint Repair softwaew. Thank you that worked! Before, it was asking me to repair the file, then saying it can't open it after I do the next step. This did the job!! Finally i can open my file. Worked like a charm! Thanks a lot!
I got this same error message trying to open up a PowerPoint. I can open other PowerPoints and other Word files, but not a particular one. I tried following the instructions to turn off Protected View settings in the Trust Center, but it did not work!
Lawrence Epstein. To fix, I went into Trust Center Click on the "Unblock" button, if there is one present on the dialogue box. Step 4. Finalize by clicking "Ok" and then open the PowerPoint presentation. Once again, this depends on whether the program is damaged and accessible. You will need to proceed as follows. An options dialogue box opens.
Here you will have to select the option "Trust Center", which is on the left-side panel. Then click on the right-side pane, click on "Trust Center Settings". Another dialogue box comes up. Here is where you disable the Protected View function. You will have to select the "Protected View" option which is on the left-side panel. Then under this option and on the right-side pane uncheck the boxes that enable the function.
Once through, click on "Ok" to close the program. This method will help you edit the corrupted file, though some format may be missing, it opens the file in working mode after which you can finally edit the file as per your requirements.
Step 2. While still holding down the CTRL key, launch the software. As it launches, a prompt comes on the screen asking whether you wish to launch in safe mode. Click yes to proceed and you will have launched the program in safe mode. Check at the open program if it launched in Safe Mode, for confirmation.
This is to help figure out when the issue started. It is also helpful in knowing which files have been corrupted, the period before or after corruption, and if there is an auto-saved copy or backup of the file. Scroll down to the "History" option and here you will get a breakdown of how you have been using the program as well as the tasks you have worked on. The application also displays a progress detail of the file repaired, being scanned, or waiting to be repaired.
When it comes to issues relating to PowerPoint and the error alerts such as can't open PowerPoint files, this is the best method to make use of. The method is through the use of a repair tool or software known as Wondershare Repairit - File Repair for PowerPoint. It will resolve issues such as the error alerts described above.
It will even help repair a damaged PPT program. The user can select multiple documents and upload them on the tool at once. The application boasts a filter that notifies you if you try to upload any incompatible format. Once you choose the files, the tool starts uploading them and will display the progress on the screen. If you have uploaded the wrong file, you can easily remove it by clicking on the Trash icon adjacent to the file details.
The tool will start scanning the loaded documents and troubleshooting all kinds of issues related to them.
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