Watch history isn't viewable when signed out.

2023年7月17日—HowtoclearsearchhistoryintheYouTubemobileapp·OpentheYouTubeapp,andopenSettings.·TaptheLibraryicon.·SelectHistory ...,WelcometoMyActivity.DatahelpsmakeGoogleservicesmoreusefulforyou.Signintoreviewandmanageyouractivity,includingthings...。參考影片的文章的如下：

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How to delete YouTube search history

2023年7月17日 — How to clear search history in the YouTube mobile app · Open the YouTube app, and open Settings. · Tap the Library icon. · Select History ...

Welcome to My Activity

Welcome to My Activity. Data helps make Google services more useful for you. Sign in to review and manage your activity, including things you've searched ...

View or delete your YouTube search history

Select the Pause search history button. Clear your search history. In the left-hand Menu, go to Settings . Select Clear search history. Select the Clear search ...

View or delete your YouTube search history

Pause search history · Go to your profile picture . · Tap Settings and then Manage all history. · Tap Saving your YouTube history and then Unselect Include ...

How to turn off and delete your YouTube watch history

2023年8月10日 — On the YouTube app, click on your profile image in the upper right corner. · Select Your data in YouTube. · Scroll down to YouTube Watch History.

youtubehistorysearch

2023年7月17日—HowtoclearsearchhistoryintheYouTubemobileapp·OpentheYouTubeapp,andopenSettings.·TaptheLibraryicon.·SelectHistory ...,WelcometoMyActivity.DatahelpsmakeGoogleservicesmoreusefulforyou.Signintoreviewandmanageyouractivity,includingthingsyou'vesearched ...,SelectthePausesearchhistorybutton.Clearyoursearchhistory.Intheleft-handMenu,gotoSettings.SelectClearsearchhistory.SelecttheClearsea...