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C⁴ Clock / Operator workflow

The talk ends. Keep the last slide on screen.

The presenter clicks again before you’ve switched away. Freeze last slide gives the operator a way to hold that final slide against supported forward inputs while preparing the next source.

C⁴ PowerPoint source tile with the Freeze last slide snowflake toggle highlighted
The snowflake controls Freeze last slide for that connected PowerPoint PC.

Included in C⁴ Free and Pro. This is a last-slide guard, not a loop or a replacement for the vision switch.

Hold the deck while you make the switch

A presenter reaching the final slide doesn’t always mean your next source is ready. Another press on a keyboard-style remote can take the deck beyond its ending while you’re still showing that PC.

With Freeze last slide enabled, the final slide’s builds still play. After its final build, supported forward keyboard and clicker inputs are blocked. The closing slide stays available while you switch away. It does not freeze all presentation controls: backward navigation remains available, and Esc still exits.

Enable it for the correct PowerPoint source

  1. Connect the presentation PC. Install the current C⁴ PowerPoint add-in and confirm that its slide changes reach the clock.
  2. Click the snowflake on that connected source’s tile in C⁴. The same control is available in the add-in’s PowerPoint ribbon.
  3. Wait for confirmation. Green means the add-in confirmed protection. Amber means it is waiting; grey means off or unavailable. Clicking the snowflake does not select another source.
  4. Rehearse the ending. Run the final slide and all its builds, then press forward again using the actual presenter remote. Check the result on the show output.

Check it again when PowerPoint restarts

Protection starts off when PowerPoint opens. Confirm its state on the show PC before the session; you can toggle it from C⁴ mid-show. It does not save the deck or change its loop setting.

Know which inputs are covered

Supported forward keys include Right, Down, Page Down, Space, Enter and N in the full-screen slideshow and supported English PowerPoint Presenter View. A remote must send supported keyboard-style inputs. Mouse clicks, automatic timed advances, custom shows and multiple simultaneous slideshows are not protected.

That is why checking saved automatic slide timings matters too. A deck with timed advance needs a separate review; last-slide protection is not an automatic-timings override.

Detailed Freeze last slide setup and compatibility →

More operator workflows

Catch missing fonts and saved slide timings before rehearsalFind reported missing fonts by slide and check automatic timings before the presenter reaches the lectern.Read the guide →Start the countdown when the presenter advancesArm the clock for the start of the talk while keeping normal timer controls available.Read the guide →Know when the PowerPoint video finishesSee elapsed and remaining playback time, and prepare for upcoming video and audio cues.Read the guide →Load the next presenter without juggling windowsImport the run sheet, link the decks and use LOAD NEXT to prepare the timer and slideshow together.Read the guide →Convert PDF slides without rebuilding the layoutKeep the displayed fonts and element positions together as a page image on each PowerPoint slide.Read the guide →

Try it with your next presentation

Download C⁴ Clock Free for Windows. Start the optional 30-day Pro trial when you are ready to explore the additional tools.

Download for WindowsCompare Free and Pro