The Project File Is Locked by Another Application and Cannot Be Opened

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You may encounter the following error message when clicking any of the buttons on the Articulate tab in PowerPoint:

"The project file is locked by another application and cannot be opened."

This means the Articulate Presenter project (*.ppta) file is currently locked by another program. Here's how to correct it:

Reboot your computer

If the project is locked by another computer service, restarting the computer should unlock it and allow you to continue working.

Don't work on a shared network drive

Always save and publish to your local hard drive (typically your C: drive). Working on a network drive can cause erratic behavior due to latency, such as file corruption, an inability to save changes, and loss of resources.

If your project files are currently on a network drive, copy them to your local hard drive. Then continue editing and publishing.

See if it's locked by another program

Some automated backup programs and file sharing programs can momentarily lock files. If you continue to encounter this error message, reboot your computer and temporarily disable all backup and sharing programs. If this resolves the issue, re-enable the backup and sharing programs. If the issue occurs again, ask the application vendor(s) how to exempt your Articulate files, so they won't become locked.