National Institute of Diabetes and Digestive Kidney Diseases* Share Plus: Continuous Glucose Monitoring With Data Sharing in Older Adults With Type 1 Diabetes* and Their Care Partners to Improve Time in Range and Reduce Diabetes Distress.

Inclusion Criteria for PWD: * 60 + years of age * Type 1 Diabetes Diagnosis * HbA1c no greater than 11.0% * Currently using continuous glucose monitoring * Able to manage diabetes with respect to insulin administration and glucose monitoring (which may include assistance from a care partner Inclusion Criteria for CP: * ≥18 years of age * Participant understands the study protocol and agrees to comply with it Exclusion Criteria for PWD: * Life expectancy estimated at \< 1 year * Extreme visual or hearing impairment that would hinder the ability to use CGM * Stage 4 or 5 renal disease or most recent Glomerular filtration rate (GFR) \<30 ml/min/m2 from a local lab within the past six months * The presence of a significant medical or psychiatric condition or use of a medication that in the investigator's judgment may affect the completion of any aspect of the protocol. * Clinical diagnosis of moderate or severe dementia * Inpatient psychiatric treatment in the past six months * Participation in an intervention study in the past six weeks * Montreal Cognitive Assessment Score \< 19 Exclusion criteria for CP: * Cognitive impairment or dementia * Medical condition that will make it inappropriate or unsafe to fulfill the role of a CP