Where can I find my crypto transaction ID (tx hash) ?

Transaction sent from an exchange: 

If you sent tokens from an exchange you can check all your orders on your account activity history. Each, exchange displays this information in a different way. If you are having problems finding it please contact your exchange support. 

• Binance: https://www.binance.com/en/support/faq/how-to-check-cryptocurrency-transaction-status-on-blockchain-a6f58adc6f5640f8af08aa70a55760f7 

I sent tokens from my wallet: 

If you sent tokens from your wallet, go to activity/transactions and there you can see all your past interactions. There you can find your transaction ID. Each wallet displays this information in a different way. If you are having problems finding it please contact your wallet support. 

• Metamask: https://support.metamask.io/hc/en-us/articles/4413442094235-How-to-find-a-transaction-ID