You can easily outline text in Photoshop by adjusting its "Stroke," which is one of the many ways you can customize text on your images on Photoshop.
There are two ways to make a background transparent in Photoshop: using the "Remove Background" quick action or manually by using selection tools.
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Layer Masks in Photoshop explained

Masking is the secret weapon behind many jaw-dropping designs, making it one of the most powerful techniques you can master ...
Microsoft has been steadily transforming Paint into a more robust and advanced image editor. Here's how to try its latest features.