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Why doesn't change in accounts receivable on balance sheet match cash flow statement?
I'm not an expert, but here is my best hypothesis. On Microsoft's (and most other company's) cash flow statements, they use the so-called "indirect method" of accounting for cash flow from operations. How that works, is they start with net income at the top, and then adjust it with line items for the various non-cash activities that contributed to net income. The key phrase is that these are accounting for the non-cash activities that contribute to net income. If the accounts receivable amount changes from something other than operating activity (e.g., if they have to write off some receivables because they won't be paid), the change didn't contribute to net income in the first place, so doesn't need to be reconciled on the cash flow statement.