Online dating applications are popular among gay men to increase an opportunity to meet each other whereas face-to-face meetings may post certain limitations. Using online dating applications is a unique context that manifestly creates, stores, and utilizes personal digital information. This study investigates types of personal digital information, objectives and strategies in managing personal digital information in the context of the use of online dating application among gay men. Fifteen gay men residing in Bangkok metropolitan area provided data via personal diaries and semi-structured interviewing. As a result, types of personal digital information created and used by gay men in online dating include textual objects (profile descriptions, instant messages, and contact information.), still images (self-portraits, sexually explicit images, screenshots and emoticons/stickers.) and moving images (video call). Strategies in managing personal digital information include sharing, creating folder, adding favorite, save and capture, backing up, and do nothing. Objectives in managing personal digital information include to give expression to feeling/to express emotion, as a part of mate selection process and benign neglect.