File locked up - cannot make any modifications

While modifying an existing model, the file locked up and will not accept any commands or modifications.

Also looked up help for creating backups and cannot follow hepl instructions for creating automatic backups

Did you try copying everything and paste it into a new file? If you’re using the feature added to SketchUp 2026 to work simultaneously on a same model, probably the host blocked the option to make modifications.

The file is totally locked up - will not accept any commands

Did you create the file or it was shared by someone?

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