A Research Study Comparing Different Ways of Increasing the Dose of NNC0519-0130 in Participants With Overweight or Obesity

Inclusion criteria: * Female of non-childbearing potential, or male. * Age 18-64 years (both inclusive) at the time of signing the informed consent. * Body mass index (BMI) between 27.0 and 44.9 kilogram per square meter (kg/m\^2) (both inclusive) at screening. Overweight should be due to excess adipose tissue, as judged by the investigator. * Considered to be otherwise healthy based on the medical history, physical examination, and the results of vital signs, electrocardiogram and clinical laboratory tests performed during the screening visit, as judged by the investigator. Exclusion criteria: * Any disorder, unwillingness or inability which in the investigator's opinion, might jeopardise the participant's safety or compliance with the protocol. * Glycated haemoglobin (HbA1c) greater than or equal to (\>=) 6.5 percentage (48 millimoles per mole \[mmol/mol\]) at screening. * Use of prescription medicinal products or non-prescription drugs, except routine vitamins, occasional use of paracetamol, NSAIDs (nonsteroidal anti-inflammatory drugs), acetylsalicylic acid, or topical medication not reaching systemic circulation, within 14 days before screening. * Presence or history of any clinically relevant respiratory, metabolic, renal, hepatic, cardiovascular, gastrointestinal, or endocrinological conditions.