Drag the I‑bar cursor over a character, word, or an entire text block to select it.
Double-click a word to select it. Spaces next to the word are not selected.
Triple-click anywhere in a line to select a line. If the Triple Click To Select A Line preferences option is deselected, triple-clicking selects the entire paragraph.
If the Triple Click To Select A Line option is selected, quadruple-click anywhere in a paragraph to select the entire paragraph or quintuple-click to select the entire story.
Quintuple-click to select the entire story, or click anywhere in a story and choose Edit > Select All.
If you cannot select text in a frame, the text frame could be on a different layer or on a master page. Try selecting a different layer or going to the master page.