Restore an iChart Project File Backup
Each time an iChart project (.icr) file is saved or closed, a backup copy is saved. If the .icr file is inadvertently deleted or corrupted, the project may be recovered by restoring a backup copy of the file.
1. If the corrupted iChart project file is currently running, go to File|Close Project .
2. Navigate to the iChart Users folder by clicking Help | Open Users Folder.
![iChart Users Folder](https://www.nexsens.com/wp-content/uploads/2013/07/iChart-Users-Folder.png)
iChart Users folder
3. Navigate to the backup folder for the project file in question. It will have the format ProjectName.Backup.
![Backup Folder](https://www.nexsens.com/wp-content/uploads/2013/07/Backup-Folder.png)
Backup folder
4. Find the folder created on the most recent date prior to the corruption.
5. Open this folder and right click on the ProjectName.icr file.
6. Select Copy.
![Copy Backup icr](https://www.nexsens.com/wp-content/uploads/2013/07/Copy-Backup-icr.png)
Copy backup .icr file
7. Navigate back to the Users folder.
8. Right click on a blank space and select Paste.
9. If prompted to overwrite an existing file select Yes.
![Paste icr File](https://www.nexsens.com/wp-content/uploads/2013/07/Paste-icr-File.png)
Confirm file replacement
10. Go to File | Open Project and select the recently copied .icr file.
11. If the backup file is still corrupted, repeat steps 3-10 to find the most recent uncorrupted file.