When saving the file, VirtualDub fixes most of the issues it can find. That's it! Your newly saved AVI file should play fine now.

We recommend that you save it as a separate file, so that you have your original AVI video as a backup. In the appeared window select where you want to save the new file and give it a name. For this click File -> Save as AVI… from the app menu. Now, save your damaged AVI video to a new file. This is the same setting as the above, but for the audio stream.ĩ. Click Audio and choose Direct stream copy. This makes sure your AVI video will be re-saved with the same compression settings as in your original file.Ĩ. Click Video from the app menu and choose Direct stream copy.

At this stage VirtualDub will display all the errors it can find in your AVI file:ħ. Make sure to select the VirtualDub application plugin like shown on the screen below:Ĥ.3 Once the installation is completed, launch the VirtualDub tool again and then click File -> Open video file… to open your broken AVI video.ĥ. Then launch the downloaded ffdshow installation pack and follow the instructions. then you need to install the ffdshow decoder, here is how:Ĥ.2 Close your VirtualDub application.

If you get the following error (or alike):Ĭouldn't locate decompressor for format 'H264' (unknown) In the appeared window click File -> Open video file… and then select your corrupted AVI file.Ĥ. Unzip the downloaded archive and launch the tool by double-clicking on the VirtualDub.exe file.ģ. Here is how to repair AVI files with VirtualDub:Ģ. Unfortunately, though, VirtualDub is available only for Windows users, so if you're on a Mac, skip to the next option. What's important, it can identify a number of issues in an AVI file, including a broken index, and fix these issues automatically when you re-save the file with the tool. VirtualDub is a free tool that allows you to do some basic editing of the AVI videos. Re-save Your Damaged AVI File with VirtualDub Note: we suggest that you create a backup copy of your corrupted AVI file, so that you can always get back to it and have the original source file in case anything goes wrong with the tools described below.

How to open avi files mac