Most nouns ending in -o add -es to form the plural (with some exceptions like photo/photos).
Macro is regular. It follows the -es Addition rule.
Use plural verbs: "The macroes are ready" (not "is ready").
Yes. The plural macroes is standard across all English variants.
The word macro follows the standard English pluralization rule. When forming the plural, macro becomes macroes. This follows the -es Addition pattern, which is one of the most common plural rules in English.
Understanding why macro becomes macroes helps with spelling and pronunciation. Most nouns ending in -o add -es to form the plural (with some exceptions like photo/photos).
When using macroes in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The macroes are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.