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You can enable a few hidden features in Chrome OS 91 after you've installed the update, including a new trash can folder and a more convenient interface for progressive web apps. There is also a way to manually enable Chrome OS's Live Captions for users who do not yet have the feature enabled.
These features have been intentionally concealed since they are still in the testing phase and are not yet ready for general release. Chrome OS releases in the future will most likely include them as default features, but if you want to test them now, you may do so. Although you must go out of your way to activate each feature, and they may not function correctly at first, we will teach you how to do it.
When the trash option in Chrome OS is enabled, deleted files are moved to the trash folder, where they stay until you either restore them or permanently delete them. It is possible to reach the trash folder from the file manager window.
How to make the trash folder in Chrome OS accessible:
Let's start with the hidden feature that the vast majority of Chromebook users will desire: On both Windows and Mac, there is a separate trash folder that behaves just like the deleted-files receptacle. As many Chromebook users are painfully aware, Chrome OS does not allow you to recover files that have been deleted; however, you may alter this by activating the trash folder in the settings.
The Chrome OS trash folder can be accessed through the experimental flags menu in Chrome:
Go to chrome:/flags/#files-trash in a new Chrome tab to enable this feature.
Set the flag to the "Enabled" position.
Restart Chrome, followed by a restart of your Chromebook.
When using Chrome OS 91, how do you enable tabbed progressive web app windows?
Progressive web apps (PWAs) are online-based applications that have the appearance and functionality of locally installed software while taking up less space on your computer's hard drive. PWAs are typically run in a single window, but they may open links to external websites in a new browser tab, making some PWAs less effective than simply opening the page in a browser.
Fortunately, Google will soon add tabbed PWA navigation for Chrome OS, allowing you to open several links or documents in a single PWA window and quickly switch between them. However, you can get a head start on the functionality by turning on this experimental option in the Chrome flags menu.
- Navigate to chrome:/flags/#enable-desktop-pwas tab-strip from a new Chrome tab.
- To enable the feature, choose “Enabled” from the drop-down option.
- To enable desktop PWA tab strip link capturing, go to chrome:/flags/#enabled desktop PWA tab strip link capturing
- Set the "Enabled" flag for this option as well.
- When prompted, restart Chrome to ensure that the changes are saved.
- Restart your Chromebook if necessary.
- When you install a PWA for the first time, a dialog box will appear asking whether you wish to run the PWA in tabs.
To launch PWAs that you have previously installed in a tabbed window, right-click the app's icon on your desktop and choose New window > New tabbed window from the context menu.
How to enable Live Captions in Chrome OS version 91.
The option to enable Live Captions for certain users is also available. If you are unfamiliar with Live Caption on Chromebooks, it is the same AI-powered, real-time transcription function that converts any audio into on-screen subtitles on Android smartphones and tablets. The function works even when the volume is turned down or when you are not connected to the internet. Live Captions were supposed to be available to all users with the introduction of Chrome OS 91, however they are still unavailable on certain devices as of today.
Don't be concerned; you may be able to turn it on by yourself.
- Open the following URL in a new Chrome browser window: chrome:/flags/#enable-accessibility-live-caption
- Set the flag to the "Enabled" position.
- To make the changes take effect, restart Chrome.
- Restart your Chromebook if necessary.
- After restarting your Chromebook, go to our Live Caption Guide for instructions on how to activate (and disable) the function.
There is a possibility that Live Captions will not function even after turning on the flag, since some users are reporting receiving an error message stating that their device is unable to download the necessary speech files. A solution exists for this, however it should only be used on a limited basis due to the negative effect it has on transcribing accuracy.
- Go to chrome:/flags/#enable-accessibility-live-caption-soda once more in Chrome to enable accessibility live caption soda.
- Select "Disabled" from the drop-down menu.
- Restart Chrome, followed by a restart of your Chromebook.
After the reboot, Live Captions should be operational again; however, you should re-enable the #enable-accessibility-live-caption-soda flag in the future to ensure that you have the most up-to-date speech recognition files on your computer.

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