The best way to solve this issue is to reformat your external drive. In most cases, however, Mac machines can only read these formats and are unable to write or change data. Apple products are usually able to read Windows-based formats such as MSDOS, FAT, FAT32, ExFat, and NTFS. In these circumstances, external hard drives help, but unfortunately these are not always reliable. With technology growth, use of data storage formats such as CDs and DVDs are on the decline, but physical storage remains useful, especially if you do not have an Internet connection or file sizes are large. Enter a Name, select the Format and Scheme, and click Erase. (optional) Select a single volume to keep the drive format and only erase that volume’s data. Select the external hard drive (left sorted Internal, External, and Disk Images) and click the Erase button. The default file system in Windows is NTFS, while Mac OS users HFS. Want to use external hard drive under both Windows PC and Mac? In this case, you should consider the hurdle that these operating systems support different filesystems.
Method 3: Format external hard drive for Mac and PC. How To Format External Hard Drive For Mac And Pc Software.How To Format External Hard Drive For Mac And Pc For Sale.How To Format External Hard Disk For Mac And Pc.How to format an external hard drive or USB flash on a Mac computer?