6Electronic Journal of Differential Equations, Vol. 2020 (2020), No. 128, pp. 1-12. Title: Continuability of solutions to fractional differential equations Author: Miroslav Bartusek (Masaryk Univ., Czech Republic) Abstract: This article concerns the Caputo fractional differential equation $$ {}^{c}\!D_a^\alpha x ^{[n-1]} (t) = f(t, x(t)) + e(t), \quad n\geq 2 $$ where $x ^{[n-1]}$ is the quasiderivative of x of order (n-1) and ${}^{c}\!D_a^\alpha$ is the Caputo derivative of the order $\alpha\in (0,1)$. We study the continuability and noncontinuability of solutions. Submitted September 15, 2019. Published December 22, 2020. Math Subject Classifications: 26A33, 34A08. Key Words: Caputo fractional equations; continuability; noncontinuability; quasiderivatives.