# Meses help centre

Short answers about connecting your spreadsheet, preparing records, reviewing results and applying changes with Meses (meses.ai).

- [What if I cannot sign in or open a file in Meses?](/en/help/access-and-troubleshooting): What to check in Meses (meses.ai) when you cannot reach your workspace, a Google file will not open or a sheet update reports a conflict or uncertain result.
- [How do I apply and undo changes in Google Sheets?](/en/help/applying-and-undoing-changes): What the Meses (meses.ai) change plan includes, how you know the changes landed correctly in Google Sheets and how to undo an apply safely when you need to.
- [How does Meses protect my bank statement data?](/en/help/bank-statements-and-privacy): How Meses (meses.ai) reads your bank statement, protects personal details before any AI analysis and stops for your review when something is off.
- [How do I connect Google Sheets to Meses?](/en/help/connect-google-sheets): How to connect your Google account, choose each property's workbook and what Meses (meses.ai) needs to read your sheet and write changes back to it.
- [How does Meses decide who a payment belongs to?](/en/help/how-ai-matching-works): What Meses (meses.ai) does with each deposit, how it shows you the evidence behind every match and why anything uncertain always waits for you.
- [How do I reconcile a month in Meses?](/en/help/how-to-reconcile-a-month): Step by step guide to reconciling a month in Meses (meses.ai) - choose the property, add records and statement, review payments and update your sheet.
- [How does Meses treat other income and credit balances?](/en/help/other-income-and-credit-balances): What Meses (meses.ai) does with interest, refunds or advertising that are not dues, and with overpayments: how they are classified and reach your sheet.
- [How do I prepare my payment records for Meses?](/en/help/preparing-records): What to check in your resident and dues sheet before reconciling with Meses (meses.ai) - the right workbook, a month with expected dues and a readable layout.
- [Which files does Meses accept and when does it stop?](/en/help/supported-file-formats): Which files you can upload to Meses (meses.ai), what makes a bank statement readable and what happens when a layout is not supported.
- [How do I read reconciliation results in Meses?](/en/help/understanding-results): What matched, suggested and needs-review payments mean in Meses (meses.ai), how to review each deposit and how the month's totals are calculated.
- [Why does Meses ask me to confirm a payment?](/en/help/why-meses-asks-you-to-confirm-a-payment): Why Meses (meses.ai) asks you to approve some deposits before applying them, which cases usually need it and how to confirm them in a couple of clicks.
- [How do I get started with Meses in my first month?](/en/help/your-first-month): A simple path through your first reconciliation with Meses (meses.ai): connect your sheet, upload the statement, review the doubtful items, update the sheet.